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Detailed Area Plant List for Stonebridge Homeowners Association, Jefferson County, United States.
Edited by Tom Schweich
This list is assembled from personal collections, herbarium vouchers, and published lists. For California, much of the data is provided by the participants of the Consortium of California Herbaria as indicated by a single dagger “†.” Their web site is at: (http://ucjeps.berkeley.edu/consortium/). For Colorado, much of the data is provided by the Southwest Environmental Information Network as indicated by a double dagger “‡,” which web site is found at (http://swbiodiversity.org). See their respective websites for copyright information and recommended citation formats.
For a complete list of Locations included in this Area List, see the Locations Included section, below.
For a check list, please see: Check List for Stonebridge Homeowners Association, Jefferson County, United States.
Cupressaceae
Juniperus communis L. var. depressa Pursh. Common Juniper. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3242.
6/13/2023.
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Juniperus scopulorum Sarg. (Syn: Sabina scopulorum Sarg.(Sarg.) Rydb. ) Rocky Mountain Juniper. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2298.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
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Anacardiaceae
Rhus glabra L. Smooth Sumac. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3243.
6/13/2023.
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Rhus trilobata Nutt. var. trilobata. (Syn: Rhus aromatica Aiton var. trilobata (Nutt.) A. Gray ex S. Watson ) Skunkbush Sumac. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2192.
6/12/2021.
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Apiaceae
Conium maculatum L. Common Poison Hemlock. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2193.
6/12/2021.
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Lomatium orientale J.M. Coult. & Rose. Salt-and-Pepper. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, to 20 cm., woody taproot; Leaves, compound, pinnate, 75 mm. × 26 mm. wide, ultimate divisions, ≤3 mm., ≤1 mm. wide, villous, tips, obtuse, (with a very small white “spine”); Inflorescence, compound umbel; Involucel Bracts, glabrous; Flowers, white; Anthers, red; Ovary, glabrous, stylopodium, absent; Fruit, 5 mm. × 3.5 mm. wide, ovate, glabrous, dorsally compressed, lateral ribs winged (Described from Coll. No. 1837, 17 May 2018).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2194.
6/12/2021.
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Asteraceae
Achillea millefolium L. (Syn: A. lanulosa Nutt. , A. m. L. var. alpicola (Rydb.) Garrett , A. m. L. var. lanulosa (Nutt.) Piper , A. m. L. var. occidentalis DC. ) Common Yarrow. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb to 50 cm.;; Leaves alternate, tendrils absent, finely dissected, aromatic when fresh; Inflorescence, heads enclosed by an involucre, in flat-topped clusters; Phyllaries in 2+ series; Receptacles bearing scale-like bracts (paleate); Perianth in 2 or more whorls, parts in 5s; Phyllaries in 2+ series, not all subtending ray flowers; Flowers open, bisexual, two kinds, some with strap-shaped corollas; Petals fused into a tube; Ray flowers, white, lobe ovate; Disc flowers, white; Stamens = in number to corolla lobes; Ovary inferior. Pistils, 1 per flower (Described from Coll. No. 482, 30 Nov 2011, and Coll. No. 1023, 24 Jul 2013).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2195.
6/12/2021.
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Ambrosia psilostachya DC. Western Ragweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 40 cm., woody at base; Leaves opposite below, alternate above, 50 mm. × 22 mm., ovate, pinnately divided; Inflorescence indeterminate, appearing raceme-like, 2 kinds of flowers, pistillate heads many, distal, carpellate heads few, clustered in distal leafy axils; Phyllaries fused into a cup; Receptacle not chaffy; Pappus absent (Described from Coll. No. 1068, 8 Oct 2014).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2196.
6/12/2021.
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Arctium minus Bernh. Lesser Burdock. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3303.
6/21/2023.
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Artemisia frigida Willd. Prairie Sagewort. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 30 cm., woody at base; Stems many; Leaves alternate, 9 mm., pinnately dissected into 7 parts, silvery hairy; Inflorescence raceme-like, indeterminate, heads 1-3 in axils; Heads have only disk flowers, all alike; Involucre of hairy phyllaries; Phyllaries in 2 series, hairy, not gummy or with tips recurved; Receptacle hairy, not chaffy or bristly; Flowers fertile; Pappus absent; (Described from Coll. No. 1067, 8 Oct 2014).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2197.
6/12/2021.
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Artemisia ludoviciana Nutt. Silver Wormwood. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2198.
6/12/2021.
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Carduus nutans L. (Syn: Carduus nutans L. ssp. macrolepis (Peterman) Kazmi ) Nodding Plumeless Thistle. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, to 55 cm., tap-rooted, branched at base; Leaves, basal, withered at flowering, cauline, alternate, decurrent 40 mm. + blade 75 mm. × 25 mm. wide, pinnately lobed, margins spiny; Inflorescence, single heads on spiny tomentose peduncles 2.5-15 cm.; Phyllaries, many graduated series, 9-20 mm. × 1-3 mm. wide, thick at base, mostly green, purplish at margins, mid-vein prominent, tip spiny; Receptacle, alveolate (honeycombed), flat, bristly; Disk flowers, 25 mm., color purple; Pappus, capillary bristles, 18 mm. (Described from Coll. No. 1517, 24 July 2016.)
- Stonebridge Homeowners Association,
Tom Schweich 3294.
6/21/2023.
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Cirsium arvense (L.) Scop. (Syn: Breea arvensis (L.) Lessing ) Canada Thistle. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, to 70 cm., tap-rooted; Leaves, cauline, alternate, sessile but not obviously decurrent, 85 mm. × 20 mm. wide, margin sinuate, spiny, adaxial thinly tomentose, abaxial tomentose; Inflorescence, panicle(?); Heads, many, 30±, 15 mm. × 8 mm. dia., disk flowers only, dioecious, staminate heads, pappus < corolla, pistillate heads, pappus > corolla; Phyllaries, many (6-7) series, outer 3 mm. × 1.5 mm. wide, inner 15 mm. × 1 mm. wide, dark dorsal ridge, tips, spinulose, reflexed; Receptacle, soft bristles, 10 mm.; Pappus, plumose bristles (Described from Coll. No. 1512, 24 July 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2199.
6/12/2021.
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Cirsium undulatum (Nutt.) Spreng. Wavy Leaved Thistle. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial thistle, to 30 cm., stout tap root; Stem, leafy, 20 cm.; Leaves, basal and cauline, basal, petiole 25 mm. + blade 180 mm. × 55 mm. wide, oblanceolate, pinnately lobed more than half-way to mid-rib, cauline, reduced above, decurrent 5 mm., 45 mm. × 14 mm. wide, lanceolate, surface, adaxial, thinly tomentose, abaxial, tomentose, margins, spiny; Head, 35 mm. × 40 mm. wide, indented around top of peduncle; Phyllaries, many (7?) series, 13 mm. × 3.5 mm. wide, + robust spine 5-6 mm., body dark dorsal ridge, outer and middle reflexed; Flowers, 1 kind; Disk flowers, 25-36 mm., corolla pink-purple; Pappus, plumose bristles; Cypsela, 5 mm., apical collar unremarkable. (Described from Coll. No. 1460, 27 June 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2200.
6/12/2021.
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Cirsium vulgare (Savi) Ten. Bull Thistle. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon.
Leaves, adaxial face with slender appressed bristle-like prickles.
- Stonebridge Homeowners Association,
Tom Schweich 3245.
6/13/2023.
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Crepis occidentalis Nutt. (Syn: Psilochenia occidentalis (Nutt.) Nutt. ) Largeflower Hawksbeard. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, herb, to 25 cm., taprooted; Stem, green, tomentose, glandular, no bristles; Leaves, basal and cauline, alternate, petiole 20 mm. + blade 56 mm. × 17 mm. wide, reduced distally, pinnately lobed nearly to mid-rib, segments deltoid, tomentose, glandular; Inflorescence, heads #3 per stem, showy, >leaves; Peduncles, 23 mm.; Involucre, 12 mm. × 12 mm. wide, cyindric, tomentose; Phyllaries, 2 graduated series, 3.5 mm. &tmes; 2 mm. wide, deltoid, 12.5 mm. × 3 mm. wide, lanceolate, ±flat, tomentose, gland-tipped black bristles evenly distributed; Receptacle, epaleate; Ray flowers (ligules), many, tube 6 mm. + blade 12.5 mm. × 2.4 mm. wide, yellow; Pappus, 9 mm. well-developed, bristles, ±equal, smooth; Fruit, 2 mm. × 1.3 mm. wide, brown, glabrous. (Described from Coll. No. 1894, 28 May 2018).
- Stonebridge Homeowners Association,
Tom Schweich 3244.
6/13/2023.
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Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird var. graveolens (Nutt.) Reveal & Schuyler. (Syn: E. n. (Pall. ex Pursh) G.L.Nesom & G.I.Baird var. glabrata (Gray) G.L. Nesom & Baird ) Goldy-Locks. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3248.
6/13/2023.
Tom Schweich 3295.
6/21/2023.
Tom Schweich, with Ann Norton 2201.
6/12/2021.
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Ericameria nauseosa (Pall. ex Pursh) G. I. Nesom & G. I. Baird var. nauseosa. (Syn: Chrysothamnus plattensis Greene ) Rubber Rabbitbush. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3247.
6/13/2023.
Tom Schweich 3296.
6/21/2023.
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Erigeron divergens Torr. & A. Gray. Spreading Fleabane. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual or short-lived perennial, to 15 cm., tap-rooted, ±spreading hairy throughout, becoming minutely glandular above, hairs multicellular with clear crosswalls; Leaves, basal, absent or withered; cauline, alternate, petiole ±10 mm. + blade ±12 mm. × 2.4 mm. wide, uniformly hairy, somewhat reduced above; Inflorescence, heads borne singly on leafy stems, peduncles spreading or decurved, but cannot be described as “heads nodding;” Involucre, 3 mm. × limb 12 mm.; Receptacle, epaleate; Flowers, 2 kinds; Rays, corolla, 3.5 mm., white fading blue; Disk flowers, corolla, 1.7 mm., yellow; Pappus, short scales and longer capillary bristles, similar on ray and disk flowers; Cypsela, 0.8 mm. (Described from Coll. No. 1489. 13 July 2016. See also Coll. No. 3381).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2202.
6/12/2021.
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Erigeron flagellaris A. Gray. Trailing Fleabane. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, to 5-6 cm., with scapose inflorescence to 9 cm., spreading by leafy stoloniferous branches; Leaves, basal and cauline, entire, basal, linear-oblanceolate, 35 mm. × 2.5 mm., cauline, linear, 13 mm. × 1.5 mm.; Inflorescence, single heads on scape to 8 cm.; Receptacle epaleate; Phyllaries, 2+series, ±equal, 4 mm., hairy abaxially, ascending multicellular hairs with clear crosswalls, glandular between hairs; Flowers of 2 kinds; Pappus of bristles, 2 mm., + short scales, that of ray and disc flowers alike; Rays, #±80, corolla white, fading lilac, 8 mm. × 0.5 mm.; Disc flowers, corolla yellow, lobes triangular; Achene, short hairy. (Described from Coll. No. 1116, 28 May 2015).
- Stonebridge Homeowners Association,
peduncle hairs appressed
Tom Schweich 3246.
6/13/2023.
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Erigeron tracyi Greene. (Syn: E. cinereus A. Gray , E. colomexicanus A. Nelson , E. divergens Torrey & A. Gray var. cinereus A. Gray ) Running Fleabane. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, 20-25 cm., caudex simple (not stout) non-rhizomatous, hairy throughout, with hairs 0.2-0.4 mm. spreading in all directions, glandular at high magnification; Stem, some with prior year's branches assumed to have been stoloniferous; Leaves, basal and cauline, basal, petiole, to 26 mm. + blade oblanceolate 8-12-20 mm. × 2-4-5.5 mm. wide, short hairy and glandular (especially visible at high magnification), margin entire, tip acute, some withered at flowering time, cauline, ±sessile, reduced or not well-developed above, but up to 32 mm. × 1.8 mm. wide; Peduncle, spreading to descending multicellular hairs with clear crosswalls, slightly pustular (maybe) or glandular at high magnification; Phyllaries, in 2+ ±equal series, but not distinctly imbricate, 3-4.5 mm. × 0.7 mm. wide, lanceolate, green center, light margins, spreading hairy; Receptacle epaleate; Flowers, 2 kinds; Ray flowers, cypsela 0.5 mm. + tube 2 mm. + ligule 4 mm. × 0.3-0.6 mm. wide = 6.5-7 mm. × 0.8 mm. wide, fertile, tip rounded, white & pink fading purple; Disk flowers, yellow; Pappus, ray and disk alike, inner, few capillary bristles, 4 mm., outer, short crown of scales, double pappus not particularly disgnostic in Erigeron. The most common form of E. tracyi is perhaps (speculative) a stabilized, apomictic hybrid between E. flagellaris and E. divergens (FNANM). Described from Coll. No. 1133, 9 Jun 2015 and Coll. No. 1337, 11 May 2016.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2203.
6/12/2021.
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Grindelia squarrosa (Pursh) Dunal. Curlycup Gumweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Tom Schweich, with Ann Norton 2204. 6/12/2021. . .
Gutierrezia sarothrae (Pursh) Britton & Rusby. (Syn: G. linearifolia Lag. ) Broom Snakeweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, tap-rooted, to 9 cm.; Leaves, alternate, linear, 20 mm. × 1 mm. mm. wide, dotted with embedded oil glands, very few short hairs; Peduncle, 0.5-1.5 mm.; Inflorescence, some flowers with strap-shaped corollas, flowers of two kinds in same heads, Involucre, 3.5 mm. × 2.5-3.0 mm. wide, obconic, not gummy; Phyllary, 2-3 unequal series, inner folded around ovary of ray flowers, dotted with embedded oil glands, tips appressed; Receptacle, epaleate; Rays, #5, yellow; Disk, #4; Pappus, a well-developed crown of scales on both ray and disk flowers; (Described from Coll. No. 144, 3 Oct 1997: keys easily to Gutierrezia sarothrae. However, inner phyllaries are folded around ovary of ray flowers, a character not mentioned in keys or description.)
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2205.
6/12/2021.
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Helianthus pumilus Nutt. Little Sunflower. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 40 cm.; Leaves, cauline, alternate, occasionally opposite, then bases conjoined, simple, petiole 7-10 mm. + blade 55-86 mm. × 22-30 mm. wide, lanceolate, flat (not folded), margin, entire to lightly toothed, adaxial, pustular strigose, hairs multicellular, crosswalls clear, abaxial, glandular and strigose; Inflorescence, heads single to few on leafy stems, peduncles to 8-10 cm., hairy, glandular; Involucre, 9 mm. × 16 mm. wide; Phyllaries in 2+ series, similar, 6-10 mm. × 2.0-3.5(4) mm. wide, greene erect, ovate, strigose abaxially, margins ciliate, tip acuminate, not as “stiff” or “tough” as those of Coll. No. 1199; Receptacle, slightly convex, paleate; Disk, 17 mm. wide; Palea, 9 mm., tip, glandular, hairy distally; Flowers, 2 kinds; Ray flowers, sterile, #10-12, corolla, 17-25 mm. × (4)6-9 mm. wide, yellow; Disk flowers, corolla, 4-6 mm., yellow, lobes, #5, 1 mm., yellow, anther appendages reddish-brown; Pappus of few long (2.5-4 mm.) aristate scales; Cypsela, 3.5 mm. × 1.4 mm. wide, quadrangular,not laterally compressed black. Described from Coll. No. 1210, 1426, and 1704.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2282.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2206.
6/12/2021.
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Heterotheca villosa (Pursh) Shinners. (Syn: H. v. (Pursh) Shinners var. nana (A. Gray) Semple , H. v. (Pursh) Shinners var. villosa ) Hairy False Goldenaster. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 50 cm.; Leaves, cauline alternate, entire, 1-veined, distal perpendicular to stems, hairs > glands; Heads solitary, with both ray and disk flowers; Phyllaries in 2+ series, unequal, to 7 mm.; Rays, 9 mm.; Pappus double, outer narrow scales ≤ 1 mm. (easier to see on mature fruit), inner bristles, 6.5 mm., white; Fruit, disk 3 mm., hairy.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2283.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2207.
6/12/2021.
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Lactuca serriola L. Prickly Lettuce. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual herb, Stems erect, Leaves basal 0 at flowering, cauline coarsely lobed, margins prickly-toothed, Fruit beak slender, many-ribbed, ~8 adaxial, ~5 abaxial (Described from Collection No. 911, 4 Oct 2012).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2208.
6/12/2021.
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Liatris punctata Hook. Dotted Blazing Star. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 32 cm.; Leaves, cauline, alternate, 78 mm. × 3.5 mm. wide, gradually reduced above, linear, glandular punctate, margins, entire, revolute, sparsely hairy; Inflorescence, single heads in axils on short pedicels; Involucre, 16 mm. × 7 mm. wide, ±cylindrical; Phyllaries, in 2+ series, inbricate, 14 mm. × 3.8 mm. wide, glandular-punctate abaxially distally, margin, ciliate, scarious, tip acute; Receptacle, epaleate; Flowers, one kind; Disk flowers; Corolla, tube white 8 mm. + lobes purple 2.5 mm.; Pappus, bristles, one series, 10 mm., plumose; Cypsela, 7 mm., hairy. Described from Coll. No. 1264, 29 Jul 2015.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2284.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
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Onopordum acanthium L. Scotch Cottonthistle. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2285.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
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Ratibida columnifera (Nutt.) Woot. & Standl. (Syn: Rudbeckia columnifera Nutt. ) Upright Prairie Coneflower. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 50 cm., tap-rooted; Leaves, cauline, to 11 cm. × 3 cm. wide, 1-pinnate, pinnae to 39 mm. × 4 mm. wide, some toothed; Inflorescence, single heads per stem, >> leaves; Involucre, 14 mm. diameter; Phyllaries, 1 series, lanceolate, hairy abaxially; Receptacle, cylindric, paleate; Rays, #5, 17 mm., × 13 mm. wide, elliptic-ovate, sterile, corolla yellow; Disk, cylindric, 20-45 mm. × 9-12 mm. wide; Palea, folded around but not enclosing disk flowers; Disk flowers, many, corolla greenish-yellow; Pappus, short crown of scales; Fruit, compressed, but maybe not strongly, ciliate adaxially(!). Described from Coll. No. 1198, 12 July 2015.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2286.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
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Scorzonera laciniata L. (Syn: Podospermum laciniatum (L.) De Candolle ) Cutleaf Vipergrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 40 cm., Leaves, basal and cauline, 7-20 cm., pinnately dissected into near-linear lobes, reduced but still well-developed above; Inflorescence, few heads on long stems; Phyllaries, in ±3 series, graduated, 4-13 mm. × 1.5-9 mm. wide, margins chartaceous, tips dark; Receptacle, epaleate; Flowers, ligulate (1 kind, 5-lobed), corolla yellow; Pappus of plumose bristles, Introduced, Europe (Old French: viper) (Described from Coll. No. 1399, 8 June 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2209.
6/12/2021.
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Senecio integerrimus Nutt. Columbia Ragwort. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2287.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2210.
6/12/2021.
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Solidago L. Goldenrod. CalPhotos. Jepson eFlora. SEINet Taxon.
- Stonebridge Homeowners Association, Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2288. 7/24/2020. Sovell, John R., and Susan S. Panjabi, 2021 . .
Symphyotrichum porteri (A. Gray) G.L. Nesom. (Syn: Aster porteri A. Gray ) Smooth White Aster. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 35 cm., eglandular, generally not hairy; Stem ascending; Leaves, cauline, alternate, sessile, 53 mm. × 3 mm. wide, lance-linear, many rolled, tip pointed, maybe spinulose, generally glabrous except some distal margins; Inflorescence, crowded, ±flat-topped; Heads borne simgly on short pedicels; Involucre, 5 mm. × 8 mm. wide; Phyllaries, 2+series, 3.5 mm. × 0.7 mm. wide, ±equal, inner ≥ outer, mid-vein green, margins white proximally, green distally, tip acute; Receptacle, epaleate, convex (if not conic); Flowers of two kinds; Rays, fertile, corolla, 6.5 mm., white; Disk flowers, corolla, 3.0 mm., yellow; Pappus, bristles, barbed, single, 2.5 mm.; Cypsela, 0.7 mm., sparsely hairy. Described from Coll. No. 1266, 29 Jul 2015.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2289.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
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Tragopogon dubius Scop. (Syn: Tragopogon dubius Scop. ssp. major (Jacq.) Vollman ) Yellow Salsify. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Peduncle inflated distally, flowers yellow, phyllaries in 1 overlapping series, ligules 3-5 mm. shorter than phyllaries.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2290.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2211.
6/12/2021.
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Berberidaceae
Berberis repens Lindl. (Syn: Mahonia repens (Lindl.) G. Don ) Creeping Barberry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3249.
6/13/2023.
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Boraginaceae
Cynoglossum officinale L. Gypsyflower. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2291.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2212.
6/12/2021.
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Lithospermum incisum Lehm. Narrowleaf Stoneseed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial cleistogamic flowers present, in fruit usually with recurved pedicels. Flowers monomorphic.
- Stonebridge Homeowners Association,
Tom Schweich 3251.
6/13/2023.
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.
Mertensia lanceolata (Pursh) DC. Prairie Bluebells. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, with spreading-ascending branches to 20 cm.; Stem, glabrous; Leaves, basal and cauline, basal, petiole 55 mm. + blade 50 mm. × 12.5 mm. wide, lanceolate, distinct lateral veins, papillate adaxially, margin, entire, appressed ciliate; cauline, sessile, 40 mm. × 4 mm. wide, without distinct lateral veins, papillate to strigose (oriented toward apex) adaxially, margin, entire, appressed ciliate; Inflorescence, panicle; Calyx, not divided to base, tube 1.5 mm. + lobes 2-3 mm.; Corolla, tube 4.0-6.5 mm. + lobes 4.5-7.5 mm., free 2.0 mm., limb 5-10 mm., deciduous, blue, small tufts or a ring of hairs near (2.2 mm.) base of throat; Stamens, #5-6, inserted, attached just below (0.5 mm.) throat/fornices; Filaments, 2.0-3.5 mm., strap-shaped, filaments ≥ anthers; Anthers, 1.8-2.3 mm., versatile, yellow; Ovary, 0.7 mm. × 1.3 mm. wide, partially fused to calyx; Style, 7.0-7.5 mm., single, ±≥anthers; Stigma, simple; Fruit, #4 nutlets, 1.7 mm. × 1.5 mm. wide. (Described from Coll. Nos. 1906 & 2035.)
- Stonebridge Homeowners Association,
Tom Schweich 3250.
6/13/2023.
.
.
Phacelia heterophylla Pursh. Varileaf Phacelia. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Described by Pursh (1814) from a collection by M. Lewis Jun-Jul, 1806 on the banks of the Kooskooskie (Clearwater) River.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2213.
6/12/2021.
.
Brassicaceae
Alyssum simplex Rudolphi. (Syn: Alyssum minus Rothm. , Alyssum parviflorum Fisch. ex M.Bieb. ) European Madwort. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, tap-rooted, to 12-30 cm., stellate hairy throughout (typically doubly branched and 8-pointed); Stem branched at base, ascending; Leaves basal, withered at flowering, appear compound, cauline, alternate, 14-28 mm. × 3.5-5.0 mm., oblanceolate, margin entire, tip acute, sessile or vaguely short-petioled; Inflorescence not bracted; Pedicels, in fruit, 4.5 mm.; Sepals, 4, 2 mm. × 0.7 mm. wide, deciduous in fruit; Petals 2.9-3.0 mm., yellow fading white,clawed, entire to tip slightly notched; Stamens, 2.5-2.6 mm.; Filaments, 2.3 mm., winged proximal 1.5-1.8 mm., not toothed; Style persistent, 1.3 mm., few hairs at base; Fruit round, 3.5-5.0 mm. × 5.6 mm. wide, margin entire, compressed parallel to the replum, hairy, hairs thinning as fruit matures; Ovules, 4 (most keys and descriptions say 2 when they give a specific number, but the genus is described as having 1-2[4] ovules). (Described from Clyde Golden, 25 Jun 2011, Coll. No. 1090, 30 Apr 2015, and Coll. No. 1367, 24 May 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2214.
6/12/2021.
.
.
Camelina microcarpa Andrz. ex DC. Little-Podded False Flax. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, terrestrial, herb, 45 cm. to 80 cm. tall; Stem, erect, mostly single, some branched mid-stem, proximal, simple and forked hairs, distal, glabrous; Leaves, basal, absent or withered, cauline, #11-25, sessile, distal basally lobed 1.2 mm., 26-62 mm. × 6.5-10 mm. wide, reduced above, lanceolate, hairs simple and forked; Inflorescence, to 220 mm. × 35 mm. wide, not bracted, not one-sided; Flowers, radial; Pedicels, 4-8 mm., glabrous; Sepals, #4, rows, #1, 2.4-2.7 mm. × 0.8-1 mm. wide, ovate, color, green, margin chartaceous, tip purplish, abaxially hairy; Petals, 3.7-4.0 mm. × 0.7-0.9 mm. wide, oblong-spatulate, margin, entire, color, yellow; Stamens, #6, 3 mm.; Filaments, plain or maybe very narrowly winged; Anthers, 0.7 mm., ovate; Ovary, 1.8 mm. × 0.9 mm. wide; Style, 0.8 mm.; Stigma, capitate, 0.4 mm. wide; Fruit (mature), pedicels, 15 mm., 3 × than fruit, spreading, 5 mm. × 3.2-3.5 mm. wide, wider above middle, somewhat flattened, parallel to replum, coriaceous, short-winged (or strong-margined), valve mid-vein apparent but not prominent; Seeds, many, 1.0 mm. × 0.7 mm. wide, angled, papillate (Described from Coll. No. 1876 and 1883).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2215.
6/12/2021.
.
.
Capsella bursa-pastoris (L.) Medik. Shepherd's Purse. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, scapose, to 27 cm., hairs, sessile, stellate, 3-4 points, throughout; Leaves, basal, oblanceolate, 55 mm. × 16 mm. wide, deeply lobed, but not all the way to mid-rib; cauline, 4-5 stem leaves, lanceolate, 25 mm. × 10 mm. wide, base sagittate; Flowers, small, petals white; Fruit, obcordate, 4 mm. × 3.5 mm. wide. The single species in this genus; described by some as the second-most common weed on Earth (Described from Coll. No. 1336, 11 May 2016).
- Stonebridge Homeowners Association,
Tom Schweich 3252.
6/13/2023.
.
.
Thlaspi arvense L. Field Penny Cress. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, tap-rooted, to 50 cm., generally glabrous throughout; Stem, single, or few-branched proximally; Leaves, basal and cauline, basal, withered at flowering, cauline, sessile, auriculate, oblong, 30 mm. × 5-9 mm. wide, reduced distally, dentate; Inflorescence, raceme; Sepals, 2 mm. × 1 mm. wide, ovate; Petals, 3-3.5 mm. × 1 mm. wide, spoon-shaped, margin entire, white; Stamens, 2 mm.; Anthers, 0.5 mm.; Fruit, pedicels 10-15 mm., ascending to spreading, glabrous, fruit obovate, 10 mm. × 8 mm., wide, margin winged, tip notched 1 mm.; Ovules, biseriate, #many (Described from Coll. No. 1324, 4 May 2016).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2293.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2216.
6/12/2021.
.
Cactaceae
Echinocereus viridiflorus Engelm. (Syn: Echinocereus chloranthus (Engelm.) J.N.Haage , Echinocereus viridiflorus Engelm. var. chloranthus (Engelm.) Backeb. ) Nylon Hedgehog Cactus. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3297.
6/21/2023.
.
.
Escobaria vivipara (Nutt.) Buxb. (Syn: Coryphantha vivipara (Nutt.) Britton & Rose , Escobaria vivipara (Nutt.) Buxb. var. deserti (Engelm.) D. R. Hunt , Escobaria vivipara (Nutt.) Buxb. var. rosea (Clokey) D. R. Hunt ) Beehive Cactus. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2217.
6/12/2021.
.
.
Opuntia macrorhiza Engelm. Western Pricklypear. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial cactus, not distinctly mat-forming; Stem, segments, 90 mm. × 60 mm. wide, flattened, bluish-green, areoles, #5-6 per diagonal row, spaced 8-14 mm., proximal, glochids only, distal, glochids and spines, spines, #2, #1, 28 mm., erect, brown to tan at tip, #1, 12 mm., recumbent, nearly white; Flowers, petals, 36 mm. × 22 mm. wide, wedge-shaped, color yellow; Stamens, many, 18 mm., yellow; Style, 20-24 mm., stout; Stigma, lobes, #6-8, 3 mm.; Fruit, 38 mm. × 17 mm. wide, narrow at base, fleshy, green, areoles, mix of glochids and short spines. (Described from Coll. No. 1948, 15 June 2018.)
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2294.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2218.
6/12/2021.
.
.
Opuntia polyacantha Haw. Plains Pricklypear. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2295.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2219.
6/12/2021.
.
Cannabaceae
Celtis reticulata Torr. (Syn: Celtis laevigata Willd. var. reticulata L. D. Benson ) Net-Leaved Hackberry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3253.
6/13/2023.
.
.
Humulus neomexicanus (A. Nelson & Cockerell) Rydb. New Mexican Hops. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2296.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Caprifoliaceae
Symphoricarpos rotundifolius A. Gray. (Syn: S. oreophilus A. Gray , S. rotundifolius A. Gray var. parishii (Rydb.) Dempster , S. rotundifolius A. Gray var. rotundifolius , S. vaccinioides Rydb. ) Roundleaf Snowberry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Shrub, to 70 cm.; Leaves, opposite, 12 mm. × 9 mm. wide, ovate, margin entire; Inflorescence, terminal racemes on short branches; Calyx, 1.5 mm.; Corolla, tube 10 mm. + lobes 1.7 mm., color ochroleucus, few hairs near base of tube (around the style); Stamens, #5; Filaments, free 2 mm.; Ovary, inferior; Style, 3.5 mm., glabrous; Fruit, berry, white. Described from Coll. No. 1654, 1 Jun 2017.
- Stonebridge Homeowners Association,
Determined by later survey with Ann Norton.
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2297.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2220.
6/12/2021.
.
Caryophyllaceae
Cerastium arvense L. ssp. strictum Gaudin. (Syn: Cerastium strictum L ) Field Chickweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Common early-flowering perennial, to 20 cm.; Leaves, opposite, broadly linear, 15 mm. × 3 mm. wide, stipules absent, tufts of leaves in lower axils; Sepals free; Petals >> sepals, white, notched; Styles (4)5.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2221.
6/12/2021.
.
.
Silene latifolia Poir. (Syn: Lychnis alba Mill. , Melandrium dioicum (L.) Cosson & Germain ) Bladder Campion. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2222.
6/12/2021.
.
Chenopodiaceae
Chenopodium album L. Lambsquarters. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3254.
6/13/2023.
.
Convolvulaceae
Convolvulus arvensis L. Field Bindweed. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2223.
6/12/2021.
.
Euphorbiaceae
Euphorbia esula L. Leafy Spurge. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2224.
6/12/2021.
.
.
Euphorbia myrsinites L. (Syn: Tithymalus myrsinites (L.) Hill ) Myrtle Spurge. Weed: CO DofA, List: A. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2300.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Fabaceae
Astragalus drummondii Dougl. ex Hook. Drummond's Milkvetch. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 35 cm., caulescent; Stem, rachis, abaxial leaf surfaces, and calyx spreading hairy, hairs basifixed; Leaves, cauline, compound, odd-pinnate, stipules, 9 mm., free, entire, leaflets, 23-27, 19 mm. × 5.5 mm. wide, wavy hairy abaxially and marginally, ±glabrous adaxially; Calyx, tube 6 mm. + lobes 3 mm. = 9 mm., green at base to cream color at tube and lobes, few dark wavy hairs, persistent; Corolla, 17 mm., color cream, banner, 17 mm., wings, claw 6 mm. + blade 9 mm., tip obtuse, keel, 14 mm., tip purple, Ovary, 9 mm.; Style, 4 mm., glabrous, persistent; Fruit, stalked 12 mm. + body 26 mm. × 4 mm. wide, pendant, smooth, glabrous, not inflated. Described from Coll. No. 1141, 9 Jun 2015.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2301.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2225.
6/12/2021.
.
.
Astragalus flexuosus G. Don. Flexible Milkvetch. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb,
decumbent to ascending stems,
to 30-50 cm., not vine-like, caulescent, appressed basifixed hairy throughout;
Leaves, cauline, compound, odd pinnate, leaflets ±15-17,
terminal leaflet not modified into tendril,
stipules, entire, not lobed at base,
not connate (slightly) connate on side opposite to petiole,
leaflets, 11-12 mm. × 2-4 mm. wide, oblong, notched,
terminal leaflet 7 mm. < uppermost pair 8 mm.;
Inflorescence, raceme, arising from axils;
Calyx, 4 mm., tube >> lobes,not inflated in fruit;
Flower, zygomorphic,
banner, 9 mm.,
wings (2), 9 mm.,
keel, 5.5 mm., <wings, not beaked;
Style, 3 mm., glabrous, persistent;
Fruit, 9 mm. × 4.5 mm.,
substipitate 1 mm.,
not inflated,
compression lateral
sparse appressed hairs.
Described from Coll. No. 1148, 15 Jun 2015, and Coll. No. 1384, 1 June 2016.
- Stonebridge Homeowners Association,
Tom Schweich 3255.
6/13/2023.
.
.
Dalea purpurea Vent. Purple Prairie Clover. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2302.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Lupinus argenteus Pursh var. argenteus. Loosely Flowered Silver Lupine. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Characters observed while keying: Perennial > 1 dm, stem hairs appressed, leaves cauline, petioles 4-4.5mm, calyx spurred <= 1 mm, banner back hairy, keel upper margin ciliate distal half. Most of the Lupinus argenteus in Golden are var. argenteus.
- Stonebridge Homeowners Association,
var. argenteus assumed
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2303.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
var. argenteus assumed
Tom Schweich, with Ann Norton 2226.
6/12/2021.
.
.
Medicago lupulina L. Black Medick. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual herb, prostrate, to 1 cm. × 50 cm. wide; Leaves, compound, stipules, leaf-like, 6.5 mm., petioles, 11 mm., leaflets, #3, obovate, 5 mm. × 5-6 mm. wide, margin denticulate, middle leaflet extended beyond lateral leaflet on a petiolule; Inflorescence, compact axillary raceme, 8 mm. × 3.5 mm. wide; Sepals, 1 mm.; Flowers, 2 mm., color yellow; Fruit, unknown -- should be curved (Described from Coll. No. 1803, 7 May 2018).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2227.
6/12/2021.
.
.
Medicago sativa L. Alfalfa. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Tom Schweich, with Ann Norton 2228. 6/12/2021. . .
Melilotus officinalis (L.) Lam. Yellow Sweet Clover. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2229.
6/12/2021.
.
.
Oxytropis lambertii Pursh. Purple Locoweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, acaulescent, mostly dolabriform hairs (one arm much shorter than the other); Leaves, basal, pinnately compound, leaflets #17, terminal leaflet present; Inflorescence, raceme, peduncle 30 cm., pedicels very short; Bracts, 7 mm. × 1.6 mm. wide, green, lanceolate; Calyx, tube 7 mm. + lobes 4 mm. = 11 mm.; Flower, zygomorphic, various shades of magenta to purple, banner, 17 mm., wings, 16 mm., keel, 13 mm., blades united enclosing stamens, recurved beak; Stamens, #10, diadelphous (Described from Coll. No. 1385, 1 June 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2230.
6/12/2021.
.
.
Pediomelum tenuiflorum (Pursh) A. N. Egan. (Syn: Psoralea tenuiflora Pursh , Psoralidium tenuiflorum (Pursh) Rydb. ) Slimflower Scurfpea. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3256.
6/13/2023.
.
.
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson var. divaricarpa (A. Nelson) Isely. (Syn: Thermopsis divaricarpa A. Nelson ) Spreadfruit Goldenbanner. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
most likely var. divaricarpa as are all Golden collections
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2305.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
most likely var. divaricarpa as are all Golden collections
Tom Schweich, with Ann Norton 2232.
6/12/2021.
.
.
Vicia americana Willd. American Vetch. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 30 cm.; Stem, not winged; Leaves, stipules, 3-4 mm. × 10-15 mm. wide, reduced above, lobed, not connate, nectary 0; cauline, compound, odd-pinnate, leaflets #6-8, + simple or 2(4)-forked tendril; Inflorescence, raceme, 4-5 flowered, pedicel 17 mm.; Flowers, zygomorphic, 14-20 mm., petals, ±white to blue distally, banner sometimes pink at point of inflection; Style, round, ring of hairs below stigma; Legume, stipe 5 mm. + body 20-32 mm. × 3-4 mm. wide + persistent style 2 mm. (Described from Coll. No. 1387, 1 June 2016, and Coll. No. 1394, 1 June 2016). Specimens with fewer flowers per raceme and forked tendrils are determined variety minor.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2233.
6/12/2021.
.
Fagaceae
Quercus gambelii Nutt. Gambel's oak. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
planted
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2306.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Fumariaceae
Fumaria vaillantii Loisel. Earthsmoke. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3257.
6/13/2023.
.
Geraniaceae
Erodium cicutarium (L.) L'Her. ex Aiton. Hemlock-leav'd Crane's-bill. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2234.
6/12/2021.
.
.
Geranium caespitosum James. Pineywoods Geranium. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2235.
6/12/2021.
.
Grossulariaceae
Ribes cereum Douglas. Wax Currant. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2308.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2236.
6/12/2021.
.
Hypericaceae
Hypericum perforatum L. Common St. John's Wort. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Treated in family Clusiaceae by Ackerman (2015). Hypericaceae retained at rank of Family by APG IV.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2237.
6/12/2021.
.
Lamiaceae
Mentha spicata L. Spearmint. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2309. 7/24/2020. Sovell, John R., and Susan S. Panjabi, 2021 . .
Monarda fistulosa L. Wild Bergamot. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3258.
6/13/2023.
.
.
Nepeta cataria L. Catnip. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 40 cm.; Stem, square, hispid; Leaves, opposite, petiole, 8 mm., blade, 40 mm. × 19 mm. wide, reduced above, deltoid-chordate, margin, crenate, abaxial densely hispid, rather than tomentose per Ackerfield (2015), tip, acute; Inflorescence, flower clusters arising from axils, flowers pedicillate; Calyx, lobes sharply acute but lacking spines or bristles; Corolla, 2-lipped, white (Described from Coll. No. 2214, 29 August 2019).
- Stonebridge Homeowners Association, Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2310. 7/24/2020. Sovell, John R., and Susan S. Panjabi, 2021 .
Linaceae
Linum lewisii Pursh. (Syn: Adenolinum lewisii (Pursh) A. Löve & D. Löve ) Prairie Blue Flax. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2311.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2238.
6/12/2021.
.
Malvaceae
Sphaeralcea coccinea (Nutt.) Rydb. Cowboy's Delight. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2239.
6/12/2021.
.
Onagraceae
Epilobium L. Willowherb. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, to 1 dm, glabrous; Leaves opposite, to 3 cm, 1 cm wide; Ovary inferior; Sepals 4, 3 mm; Petals 4, white to rose; Stamens 2 x 4 = 8, unequal; Stigma entire (Described from Coll. No. 690.1, 8 Nov 2011).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2314.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Epilobium ciliatum Raf. Fringed Willowherb. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2312.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2240.
6/12/2021.
.
.
Epilobium hirsutum L. Hairy Willowherb. Weed: CO DofA, List: A. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2313.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Oenothera biennis L. King's-Cureall. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial (biennial?), to 60 cm., hairy throughout, hairs lacking red pustular bases; Stem, leafy; Leaves, basal, unknown, cauline, 90-115 mm. × 23-35 mm., elliptic to falcate, margin shallowly dentate, tip acute; Sepals, 11 mm., spreading to reflexed in maturity, tips barely free in bud; Flowers, solitary in leafy bracteate spike, petals, 10 mm., obovate, yellow, fading both orange and pink; Stigma, 4-lobed; Capsules, 17-21 mm., not mature (Described from Coll. No. 2416, 11 Aug 2020). Accepted by Ackerfield (2015). Will key to O. villosa in Weber & Wittman (2012) wherein this taxon is not recognized. Native to central and eastern US and the Pacific coast, but not to Colorado, Idaho, Wyoming, Utah, or Arizona.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2315.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Oenothera suffrutescens (Ser.) W. L. Wagner & Hoch. (Syn: Gaura coccinea Pursh , Gaura glabra Lehm. ) Linda Tarde. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Herbaceous perennial, to 60 cm.; Stipules absent; Leaves alternate, 25 mm. x 5 mm., lanceolate, few toothed; Inflorescence straight, open; Bracts 2-3 mm.; Buds erect; Sepals fused to tip in bud, all coming free, reflexed, 6 mm., not persistent after flowering; Hypanthium 6 mm.; Petals entire; Stamens 8, < stigma; Anthers maturing in unison with stigma; Ovary at flowering > distal internode (ergo infl. "open"); Stigma 4-lobed; Fruit 7 mm., stalk-like base 0, erect, fusiform, gradually wider at middle, puberulent, indehiscent; Seeds few, 2 mm., glabrous, not winged (Decribed from Coll. No. 317, keyed 15 Dec 2012).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2241.
6/12/2021.
.
Orobanchaceae
Castilleja integra A. Gray. Wholeleaf Indian Paintbrush. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3298.
6/21/2023.
.
Papaveraceae
Argemone polyanthemos (Fedde) G.B. Ownbey. Crested Prickly Poppy. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Rev. TAS
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2316.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Plantaginaceae
Linaria dalmatica (L.) Mill. (Syn: Linaria dalmatica (L.) Mill. ssp. dalmatica , Linaria genistifolia (L.) Mill. ssp. dalmatica (L.) Maire & Petitm. ) Dalmatian ToadFlax. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3259.
6/13/2023.
.
.
Penstemon secundiflorus Benth. Sidebells Penstemon. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3261.
6/13/2023.
.
.
Penstemon virens Pennell ex Rydb. Front Range Beardtongue. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3260.
6/13/2023.
.
.
Plantago major L. Common Plantain. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2318. 7/24/2020. Sovell, John R., and Susan S. Panjabi, 2021 . .
Plantago patagonica Jacq. Woolly Plantain. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual, herb, to 10 cm., drying light green; Leaves, basal rosette, 55 mm. × 2.5 mm., narrowly oblanceolate, entire; Peduncle, 55 mm., not grooved, hairs ascending (not spreading), diameter >> than leaf hairs, Inflorescence, scapose, 10-12, in single terminal spikes, axis not visible between flowers; Bract, linear, 1-2 × calyx, exserted; Flower, bisexual, Corolla, lobes 1.8 mm., 1 erect, 3 spreading, tube glabrous (should be hairy); Stamens, 4, inserted; Style 1.2 mm.; Fruit, 2.5 mm Seeds 2, 1.4 mm., inner side deep concave (much easier to dissect fruit and examine seeds when dry, rather than when wetted with Pohl's solution, Described from Coll. No. 281, 24 April 2001).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2247.
6/12/2021.
.
Polygonaceae
Eriogonum alatum Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers. 168, plate 8. 1853. (Syn: Pterogonum alatum (Torr.) Gross ) Winged Buckwheat. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2248.
6/12/2021.
.
.
Eriogonum effusum Nuttall, Proc. Acad. Nat. Sci. Philadelphia. 4: 15. 1848. Spreading Buckwheat. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, woody at base, to 30 cm., Stem, floccose; Leaves, cauline, petiole 5 mm. + blade 20-25 mm. × 2-6 mm. wide, generally tomentose, except less so adaxially, ±flat, margin entire, , withered at flowering; Inflorescence, open cyme; Involucre, 1 per node, 2 mm., tomentose; Perianth, without stipe; Tepals, 1.8 mm., white to pink, described as yellow in Ackerfield (2015) and FNAMN; Achene, unknown. (Described from Coll. No. 1507.1, 22 Jul 2016, Coll. Nos. 1537 & 1541, 18 Aug 2016.)
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2329.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2249.
6/12/2021.
.
.
Eriogonum umbellatum Torr. var. umbellatum. Sulphur-Flower Buckwheat. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Type collected “near the Rocky Mountains” by Edwin James, 1820. Described by Torrey in 1827.
- Stonebridge Homeowners Association,
var. umbellatum assumed
Tom Schweich, with Ann Norton 2250.
6/12/2021.
.
.
Fallopia convolvulus (L.) A.Löve. (Syn: Polygonum convolvulus L. ) Black Bindweed. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Tom Schweich 3262. 6/13/2023. . .
Rumex crispus L. Curley Dock. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2330.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2251.
6/12/2021.
.
Ranunculaceae
Delphinium carolinianum Walter ssp. virescens (Nutt.) R.E. Brooks. (Syn: D. carolinianum Walter ssp. penardii (Huth) L. M. Perry , Delphinium virescens Nutt. ) Plains Larkspur. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2252.
6/12/2021.
.
.
Delphinium nuttallianum Pritz. Twolobe Larkspur. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3263.
6/13/2023.
.
Rosaceae
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Saskatoon Serviceberry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Shrub, to 1 m.; Stems, branches unarmed; Leaves, simple, petiole, 8 mm., blade, 22-32 mm. × 19-32 mm. wide, veins, pinnate, surface, sparsely hairy above, sparsely to moderately hairy below, margin, serrate; Flowers, borne singly, pedicels, 10 mm., petals 9 mm. × 4.5 mm. wide, color cream; Ovary, inferior, tip hairy; Styles, #(4)5 (Described from Coll. No. 1800-1801, 7 May 2018)
- Stonebridge Homeowners Association,
Tom Schweich 3264.
6/13/2023.
.
.
Cercocarpus montanus Raf. Alder-Leaf Mountain Mahogany. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Described by Rafinesque from a specimen collected by Edwin James of the Long Expedition, 1820, probably in present Jefferson County, Colorado. Rafinesque was somewhat frustrated by Torrey's reluctance publish a new species name in assigning James' collection to C. fothergillides Humb. Bonpl. And Kunth.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2331.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2253.
6/12/2021.
.
.
Fallugia paradoxa (D. Don) Endl. Apache Plume. CalPhotos. Jepson eFlora. SEINet Taxon.
- Stonebridge Homeowners Association,
horticultural
Tom Schweich 3299.
6/21/2023.
.
.
Geum macrophyllum Willd. Large-leaf Avens. CalPhotos. Jepson eFlora. SEINet Taxon.
Perennial herb, to 50 cm., plant drying green; Leaves, upper stem leaves divided near to base; Sepals 5; Hypanthium bractlets (not visible); Petals 5 (not visible); Style continuous to fruit, 3 mm., hooked, not plumose, without bristles, non-glandular; Fruit, many per flower, 2.5 mm (Described from Coll. No. 438.1, 12 Nov 2012, var. perincisum considered indistinct).
- Stonebridge Homeowners Association,
Tom Schweich 3300.
6/21/2023.
.
.
Physocarpus monogynus (Torr.) J.M. Coult. (Syn: Spiraea monogyna Torr. ) Mountain Ninebark. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Shrub, height unknown (growing in ravine); Leaves, alternate, simple, hairs stellate, petiole, 10 mm., blade, 30 mm. × 33 mm. wide, ovate, palmate-veined, doubly crenate; Inflorescence, umbellate corymb, ±20-flowered; Pedicels, 8-12 mm.; Flowers, limb, 12 mm., petals, 4.5 mm., color cream; Styles, 2 (Described from Coll. No. 1397, 8 June 2016).
- Stonebridge Homeowners Association,
Tom Schweich 3265.
6/13/2023.
.
.
Potentilla fissa Nutt. ex Torr. & A.Gray. (=Drymocallis fissa (Nutt.) Rydb.) Bigflower Cinquefoil. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, herb, caespitose, to 20 cm., terrestrial, not stoloniferous, rhizomatous, glandular-hairy throughout; Stem, erect, green, multicellular viscid hairs; Leaves, basal, 58-125 mm. × 16-26 cm. wide, pinnately compound, leaflets, #11; cauline, #3-4 per stem, alternate, stipules, 5 mm. × 2 mm. wide, lanceolate, entire to once shallowly toothed; petiole, 18 mm., prior years remaining on plant (as sometimes described for P. rupincola), multicellular viscid hairs, leaflets, #7-13, 40-51 mm. × 20-22 mm. wide, petiolulate (not decurrent), 12 mm. × 9 mm. wide, viscid hairy, terminal leaflet (8)10 mm. side, margin, flat, serrate, teeth, 4-6 per side, on distal ¾, tip dark reddish; Inflorescence, congested cyme, with 5-7 flowers; Flowers, limb, 15 mm.; Calyx, lobes, #5, 7-11 mm. × 2.7-4.5 mm. wide, fused ±½, viscid hairy, epicalyx bractlets, 3-5 mm. × 0.8-1.3 mm. wide, ±½ sepals; Receptacle, hairy, <1 mm., Petals, 7-9 mm. × 5-9 mm. wide, obovate, color yellow; Stamens, >25; Anthers, 1.4 mm. × 1 mm. wide; Ovaries, many, superior, glabrous; Styles, widest at middle, or thickest at base, tapered from middle, attached laterally below top of ovary; Stigma, #1; Achenes, glabrous. (Described from Coll. No. 1364, 21 May 2016, and Coll. No. 1911, 31 May 2018).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2332.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2254.
6/12/2021.
.
.
Potentilla recta L. Sulphur Cinquefoil. Weed: CO DofA, List: B. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 50 cm., hairy throughout, short (0.3 mm.) hairs glandular, long (4 mm.) hairs straight spreading eglandular; Leaves, stem, 7-8 per stem, alternate, stipules, to 20 mm., lobed, petioles, to 80 mm., blade, palmately compound, leaflets, #5, 45 mm. × 14 mm. wide, lobed ½ to mid-rib, progressively reduced above; Calyx, 9 mm. × 9 mm. wide, flattened at base; Petals, 8 mm., yellow; Style, 1.3 mm., tapered throughout, not appearing warty; Achene, 1 mm., attached laterally, reticulate in color, but not texture. Described from Coll. No. 1680, 28 June 2017. “The long, stiff, spreading, tubercle-based hairs on stems and petioles of P. recta, overtopping a layer of short hairs and glands, also serve to distinguish this aggressive species from native P. gracilis at any stage of the life cycle (FNANM).”
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2333.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2255.
6/12/2021.
.
.
Prunus americana Marshall. American Plum. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial woody shrub, spreading, to 2 m., blooming before leafing out; Branches, unarmed, glabrous when young, peeling to brown; Leaves, (immature, at time of flowering), simple, 15-19 mm. × 5.5-8 mm. wide, lanceolate or elliptic-rhomboid, pinnately veined, glabrous, margin toothed, teeth eglandular, base slightly hairy, petiole 3 mm., adaxially hairy; Flowers, in small groups of 2-3; Pedicels, 9-18 mm., glabrous to sparsely hairy; Hypanthium, 2 mm.; Sepals, 2.5-2.8 mm., reflexed, few cobwebby hairs adaxially; Petals, free, white, 5-7 mm. × 2.5-4.5 mm. wide; Stamens, many (30?); Ovary superior; Styles #1, 10 mm.; Fruit unknown (Described from Coll. No. 1093, 30 Apr 2015, and Coll. No. 1819, 16 May 2018).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2334.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2256.
6/12/2021.
.
.
Prunus virginiana L. Chokecherry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
The most useful distinction is between chokecherries found east of the Rocky Mountains, var. virginiana and those found from the mountains westward, var. demissa. Plants of the High Plains show intergradation between those of the Rockies and those of the East.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2335.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2257.
6/12/2021.
.
.
Rosa arkansana Porter. Prairie Rose. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Low-growing perennial, to 20 cm.; Stem, straight slender unequal prickles, present on new growth; Leaves, alternate, compound, leaflets (7)9-11, 20 mm. × 9 mm. wide, serrate, teeth dark-tipped, unclear whether there is glandular exudate, sparsely villous on both sides; Flowers, in clusters of 2-5; Sepals, 16 mm. × 3 mm. wide, abaxial, stalked glandular, adaxial, glandular hairy; Petals, 28 mm. × 21 mm. wide, color pink (Described from Coll. No. 1456, 27 June 2016).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2336.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Rubus deliciosus Torr. (Syn: Oreobatus deliciosus Torr.(E. James ex Torr.) Rydb. ) Delicious raspberry. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial shrub, to 1.5 m.; Stem, bark, shreddy; Leaves, simple, 17 mm. × 23 mm. wide, palmate veined, lobed, serrate, few straight hairs, petiole, 11 mm.; Flowers, white, solitary, 17-19 mm.; Fruit, unknown (Described from Coll. No. 1091, 30 Apr 2015).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2337.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Rubiaceae
Galium aparine L. (Syn: Galium aparine L. var. echinospermum (Wallr.) Farw. , Galium spurium L. ) Sticky Willy, Cleavers. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual/perennial unknown, weak-stemmed and scrambling through shrubs and grass; Stem, retrorsely scabrous on angles (but not densely so); Leaves, whorls of 6-8 (more leaves above, fewer below), 46 mm. × 4 mm. wide, oblanceolate, margins retrorsely scabrous, tips with a short spine; Flowers, corolla, greenish-white, lobes 1 mm.; Fruit, 1.3 mm., covered with hooked hairs (Described from Coll. No. 1395, 8 June 2016).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2258.
6/12/2021.
.
Salicaceae
Populus deltoides Marshall ssp. monilifera (Aiton) Eckenw. (Syn: Populus sargentii Dode ) Plains Cottonwood. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
var. monilifera assumed
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2338.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Salix amygdaloides Andersson. Peachleaf Willow. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial tree, Twigs, young, dark brown; Leaves, alternate, petiole, 10-12 mm., tuft of hairs adaxially, glands absent at base of leaf, blade, 80 mm. × 26 mm. wide, 3.08 × long as wide, young leaves have slightly tangled white hairs both sides, mature leaves, green adaxially, glaucus abaxially, margin, serrate, tip, acuminate; Staminate catkins (aments), peduncle, 12 mm., spike, 47 mm. × 9 mm. wide, stamens, #4-5, 4.5 mm.; Pistillate catkins, absent. (Described from Coll. No. 1886, 28 May 2018.)
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2339.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Salix exigua Nutt. Coyote Willow, Narrow-Leaved Willow. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial erect shrub, to 2 m.; Leaves, alternate, 21 mm. ×. 1.8 mm. wide, 11.7 ×long as wide, abaxial villous, adaxial mostly glabrous, margins entire, slightly revolute; Staminate catkins, 30 mm. × 6 mm. wide; Pistillate catkins, 42 mm. × 4 mm. wide, floral bract, 1.8 mm., capsule, 2.6 mm., glabrous (Described from Coll. No. 1880, 24 May 2018).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2340.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2259.
6/12/2021.
.
Sapindaceae
Acer negundo L. (Syn: Acer negundo L. var. interius (Britton) Sarg. , Negundo aceroides (L.) Moench ) Box Elder Maple. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Tree, ±5 m.; Branches, young, soft short hairy (var. interius); Leaves, opposite, ternately compound, leaflets 3; Pistil 1; Stigma, branches 2; Fruit, 2 winged 1-seeded samaras. (Described from Coll. No. 1102, 11 May 2015).
- Stonebridge Homeowners Association,
Tom Schweich 3267.
6/13/2023.
.
Scrophulariaceae
Scrophularia lanceolata Pursh. Lanceleaf Figwort. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Tom Schweich 3266. 6/13/2023. . .
Verbascum thapsus L. Common Mullein. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2341.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2260.
6/12/2021.
.
Ulmaceae
Ulmus pumila L. Siberian Elm. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Tom Schweich, with Ann Norton 2261. 6/12/2021. .
Urticaceae
Urtica dioica L. ssp. gracilis (Aiton) Seland. Stinging Nettle. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2343.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
Verbenaceae
Verbena bracteata Lag. & Rodr. Large Bract Vervain. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 15 cm., erect; Leaves, cauline, opposite, petiole 5 mm. + blade 20 mm. × 10 mm. wide, pinnafitid, toothed; Bract, 11 mm. × 2.2 mm. wide, entire; Calyx, 4 mm. × 1.5 mm. wide; Corolla, lobes, #5 tube 4 mm. + throat 1 mm. + lobes 2 mm., limb, 2.5 mm., color blue; Introduced (Described from Coll. No. 1500.2, 13 July 2016). Usually seen as a prostrate trailside herb. However, occasionally growing in grasses and herbs, and forced to adopt an erect habit.
- Stonebridge Homeowners Association,
Tom Schweich 3301.
6/21/2023.
.
Violaceae
Viola nuttallii Pursh. Nuttall's Violet. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2262.
6/12/2021.
.
Agavaceae
Yucca glauca Nutt. Soapweed Yucca. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2263.
6/12/2021.
.
Alliaceae
Allium L. Hoticultural Allium. CalPhotos. Jepson eFlora. SEINet Taxon.
- Stonebridge Homeowners Association, Tom Schweich 3268. 6/13/2023. . .
Allium textile A. Nelson & J.F. Macbr. Textile Onion. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2264.
6/12/2021.
.
Asparagaceae
Asparagus officinalis L. Asparagus. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2265.
6/12/2021.
.
Commelinaceae
Tradescantia occidentalis (Britton) Smyth. Prairie Spiderwort. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2266.
6/12/2021.
.
Cyperaceae
Carex inops L.H. Bailey ssp. heliophila (Mack.) Crins. (Syn: C. pensylvanica Lam. ssp. heliophila (Mack.) W. A. Weber ) Sun Sedge. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial herb, to 16 cm., prior year leaves to 23 cm.; Rhizome, 5-10(12) cm.; Culm, 11.5 cm. × 0.6 mm., ±triangular, but obscured by white striations at least when dry; Leaves, 12 cm. × 1.5 mm., ±flat, some folded ≤30°.; Inflorescence, multiple spikes, all approximate, 1-2 pistillate spike(s) below, 1 staminate spike above; Bracts, lowest, blade 8 mm., sheath 4.5 mm., papery; Pistillate spike, peduncled 1.0-1.3 mm., 9 mm., brown (not black); Staminate spike, terminal, 12-16 mm., ovoid (not cylindric), brown (not black); Scales, >perigynum body; Perigynum, pubescent on faces, margin ciliate; Achenes, unknown. Described from Coll. No. 1079, 23 April 2015, and Coll. No. 1568, 3 Apr 2017.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2267.
6/12/2021.
.
Juncaceae
Juncus interior Wiegand. Inland Rush. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial graminoid, to 45 cm., Culm, 40 cm, round, 1 mm. dia.; Leaves, basal, outer, 7 mm., sheath-like, inner, sheath, 80 mm., open, ligule, 0.5 mm., membraneous, blade, 225 mm., rolled; Bracts, #2, 85 mm., 46 mm.; Pedicel, 3 mm., bract, 2 mm.; Flowers, #17, closely subtended by a pair of scarious bracteoles; Tepals, 3.2 mm. lanceolate, tip acuminate, green center, then light brown strips, then scarious margin; Capsule, 3.5 mm., rounded at summit, placenta extends nearly to tip; Seeds, 0.5 mm., oblong, not tailed, annular grooves; (Described from Coll. No. 1527, 5 August 2014).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2268.
6/12/2021.
.
Liliaceae
Calochortus gunnisonii S. Watson. Gunnison's Mariposa Lily. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2269.
6/12/2021.
.
Poaceae
Agropyron cristatum (L.) Gaertn. Crested Wheat Grass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3269.
6/13/2023.
.
.
Andropogon gerardii Vitman. Big Bluestem. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, to 85 cm., clumped, rhizomes unknown; Leaves, blade and sheath differentiated; Sheath, 11 cm., open; Ligule, membraneous (though surrounded by hairs), 3 mm., auricles 0; Blade, soft, flat, 27 cm., hairy near ligule; Inflorescence, 80 mm., > leaves, 1-2 per stem, in 5-6 digitate branches, spikelets many; Rachis, soft bristles on margins and at nodes; Disarticulation at nodes of rachis; Spikelets in pairs, Sterile spikelet, 7 mm., pedicel 4.5 mm.; Fertile spikelet, Florets #1, Glumes, awns 0, ±equal, lower keeled, upper flattened and grooved; Lemma, 6 mm., membraneous, rolled, glabrous, tip 2-forked, awn, #1, 13 mm., bent, twisted, attached on back; Stamens, 3; Anthers, yellow; Ovary, glabrous; Stigma, feathery. (Described from Coll. No. 1060, 28 Aug 2014).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2320.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2272.
6/12/2021.
.
.
Bouteloua curtipendula (Michx.) Torr. Sideoats Grama. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2321.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Bromus inermis Leyss. (Syn: B. inermis Leyss. ssp. inermis ) Smooth Brome. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass to 1 m., rhizomatous; Leaves, sheath, 8-11 cm., closed, ligule, <1 mm., membraneous, blade, 12-17 cm × 0.5 cm., flat, soft, with a distinguishing fold, usually described as an “M” or a “W” that is difficult to see when dry; Inflorescence, panicle, 15 cm. × 4 cm. wide, multiple 1° branches per node, mostly on one side of rachis; Spikelets, 1 per node on 1° and 2° panicle branches, 15-24 mm. × 5 mm. wide, laterally compressed, 2-6 florets per spikelet; Glumes, 2, keeled, glabrous, lower, 7-8 mm., veins 1 upper, 8-10 mm., <lowest floret; Rachilla, sparsely hairy on abaxial side, extended beyond uppermost floret or not; Callus, small, glabrous; Lemma, 11-12 mm., veins, 3, 5, 7, obvious, tip bifid, some awned; Awn (when present), 1.0-1.6 mm., arising near tip of lemma; Palea, 9 mm., veins ciliate. (Described from Coll. No. 1113, 26 May 2014, and Coll. No. 1219, 16 Jul 2015).
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2322.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2273.
6/12/2021.
.
.
Bromus japonicus Thunb. Japanese Cheat Grass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Coll. No. 1207, 13 Jul 2015, characters observed: Annual grass, to 40 cm.; Leaves, sheath, 60 mm. closed + 12 mm. open, pilose (but not densely so), ligule, membraneous, + some hairs, blade, hairy; Inflorescence, panicle, >leaves; Pedicel, 20 mm.; Spikelets, 1-3 per panicle branch, 22 mm. × 6 mm. wide, elliptical, drooping; Glumes, #2, <lowest floret, lower, 4.5 mm., veins 3, upper, 5.5 mm., veins 5; Rachilla, short hairy; Callus, glabrous; Florets, #12, 2-ranked, closely held hiding rachilla; Disarticulation between florets; Lemma, 8 mm. × 4 mm. wide, margin, hyaline, 0.5 mm., tip bifid, awn, #1, 5-12 mm. long, mid-spikelet awns longest, flattened at base, not twisted, attached near bifid tip. Described from Coll. No. 1207, 13 Jul 2015.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2274.
6/12/2021.
.
.
Bromus tectorum L. (Syn: B. tectorum L. var. glabratus Spenn. ) Cheat Grass. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Annual grass, to 30 cm.; Leaves, Sheath, 50 mm., closed proximal ⅔, open distally, Ligule, membraneous, 1 mm.; Blade, 60 mm.; Inflorescence, open panicle, rachis and pedicels short hairy, Spikelets, 1 per node, 15 mm., laterally compressed; Glumes, 2, sparsely hairy, margins scarious, lower, 2.3 mm., veins indistinct, upper, 4.5 mm. Callus, glabrous, very short, Florets, ±6, Lemma, 6.5 mm., 0.7 from mid-vein to margin, back rounded, sparsely hairy, tip, forked, teeth 1 mm., awned from near tip, awn, 5-7 mm.; Anthers, 3, 0.4 mm. Described from Coll. No. 1112, 26 May 2015. Dimensions are small for B. tectorum, perhaps because of the early date of collection.
- Stonebridge Homeowners Association,
Southwest corner of Stonebridge HOA common areas, 4.33 km. south of the GNIS location of Golden.
Tom Schweich 2954.
13 Jun 2023.
(
Discarded.
)
Tom Schweich, with Ann Norton 2275.
6/12/2021.
.
.
Dactylis glomerata L. Orchard Grass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass, to 1.0-1.2 m.,
not rhizomatous,
basal or subterranean internodes not swollen;
Stem herbaceous;
Leaf,
Sheath open and closed observed, published descriptions are roughly equally divided as to whether the sheath is open or closed,
Ligule membraneous, 5 mm.;
Blade, differentiated from sheath, base not constricted, soft,
25 cm. × 0.7 cm. wide, not sharp-pointed;
Auricle, rounded, <1 mm., generally described as 0;
Infloresence exceeding leaves, 13 cm., panicle, well developed, erect, 1° branches open, branching 4° or 5°;
Spikelets not enclosed in a bur-like involucre,
not subtended by bristles or long silky hairs,
similar throughout plant,
all on one side of rachis,
crowded in dense clusters,
on 2°-4° panicle branches
1 per node,
axis few hairy,
some spikelets appear to be infertile;
Glumes, 2
< lowest floret,
lower, 3.5 mm, smaller and thinner than
upper, 6 mm.,
keeled,
glabrous to ciliate on keel, else sparsely hairy;
Florets
not modified into bulblets
4+ per spikelet ,
have feathery stigma-like material but no ovary (immature?),
uppermost vestigal floret not club-shaped rudiment (as seen in Melica);
Lemma
lowest largest, 5 mm., reduced above,
keeled, line of hairs on keel,
5 veins,
tip forked,
awn 1.0-1.5 mm.;
Palea
light green
with 2 veins
forked at tip.
Described from Collection No. 815, 9 May 2012, Alameda County, CA and
Coll. No. 1111, 26 May 2015, Jefferson County, CO.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2276.
6/12/2021.
.
.
Elymus elymoides (Raf.) Swezey. (Syn: E. longifolius (J. G. Sm.) Gould , Sitanion hystrix (Nutt.) J. G. Sm. ) Squirreltail Grass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass to 50 cm., clumped; Inflorescence, bilateral spike; Rachis, internodes, 6.4 mm., breaking apart when mature; Spikelets, 2 per node; Glumes, #2, subulate, 62-65 mm.; Florets, #3, lowest 2 fertile, upper sterile; Lemma, 10 mm. + awn 50 mm., veins, #5, converging; Palea, 9 mm., 1 of 2 veins slightly extended as bristle. Variety brevifolius if infraspecific names are to be applied. Described from Coll. No. 1717, 28 July 2017.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2323.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Eriocoma robusta (Vasey) Romasch. (Syn: Achnatherum robustum (Vasey) Barkworth , Stipa robusta (Vasey) Scribn. ) CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2319.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Festuca ovina L. Complex, hybrid or selection. CalPhotos. Jepson eFlora. SEINet Taxon.
- Stonebridge Homeowners Association, Tom Schweich 3271. 6/13/2023. F. idahoensis, F. saximontana, or a hybrib thereof. Tom Schweich, with Ann Norton 2277. 6/12/2021. . .
Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, 50 cm., clumped, nonrhizomatous; Roots, fibrous; Stem, herbaceous; Leaves, blade and sheath differentiated; Sheath, 100-120 mm., open ≥½, glabrous; Ligule, membranous, length 3.7 mm., lacerate into 2 equal parts, auricles 0; Blade, 60 mm., involute, glabrous; Inflorescence, 1 per culm, >leaves, panicle, 200 mm. × 30 mm. wide; Rachis, not extended, somewhat scabrous throughout; Spikelets, many, similar, borne singly; Compression, unremarkable; Disarticulation, above the glumes; Glumes, lower, 23-34 mm., veins #3, upper, 23-29 mm., veins #5, awl-shaped, rounded, membranous, ±equal, tip, very narrow, not awned; Florets, 1 per spikelet; Callus, 4.5-50 mm., sharp, straight hairs 1.0-1.5 mm., color tan; Lemma, 9.5-10.0 mm., rolled, indurate, straight hairy 0.5 mm., color white-tan, veins #3(?), awns, #1, 125-160 mm., twisted and short straight hairy proximal 45 mm., bent, scabrous distally; Palea, 9 mm., ±lemma, few white hairs on mid-vein; Stamens, #3; Anthers, 6.5 mm. (Described from Coll. No. 1890, 28 May 2018).
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2278.
6/12/2021.
.
.
Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial bunch grass, to 45-55 cm., non-rhizomatous; Leaves, mostly basal or lowest cauline, cauline, sheath, 90 mm., open, ligule, <1-1.5 mm., membraneous, auricles, 0, blade, 40 mm., tip prow-shaped or merely constricted; Inflorescence, panicle, 60 mm. × 9 mm., shiny in anthesis due to exposure of translucent palae, short branches, branches short soft hairy; Spikelets, 5 mm., 1 per node on 1°-3° or indistinct panicle branches; Glumes, lower, 3 mm., veins 1, upper, 4 mm., veins 3; Florets, 3, #1 and #2 pistillate, #3 staminate, or variously mixed bisexual and pistillate, open, i.e., palea separated from lemma; Disarticulation, between florets; Rachilla hairy, extends nearly 1 mm. above upper floret (or not); extension undecorated; Lemma, 4.5 mm., veins 5, short hairy throughout, awn, 0-0.5 mm., short, soft; Palea, =lemma, translucent or colorless, exposed, i.e., outside lemma.; Stamens, 3, 1.8 mm. Described from Coll. No. 1131, 9 June 2015, and Coll. No. 1144, 15 Jun 2015.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2324.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2279.
6/12/2021.
.
.
Nassella viridula (Trin.) Barkworth. (Syn: Stipa viridula Trin. ) Green Needlegrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass, 70-100 cm., clumped, non-rhizomatous; Stem, herbaceous; Leaves, cauline, sheath, 17 mm., ligule, 3 mm., membraneous, collar with few hairs at sides, blade, to 30 cm., convolute; Inflorescence, 1 per culm, panicle, 20-25 cm.; Rachis, lightly scabrous, not extended beyond upper spikelet; Compression, unremarkable; Spikelets, 1 per node; Florets, 1 per spikelet, bisexual; Glumes, 2, 8-9 mm., ±equal, rounded, membraneous, colorless, exc. 3 green veins, tip, short (2 mm.) hair-like awn; Disarticulation, above the glumes, Florets, 1 per spikelet; Callus, short; Lemma, 5-6 mm. × 1.2 mm. wide, <glumes, green, hairy, <1 mm., indurate, enclosing grain, awns, #1, 20-25 mm., twisted, bent, short hairy (±0.2 mm.); Palea, 1.5-2.0 mm., <lemma, membraneous, glabrous; Stamens, #3. Described from Colls. No. 1146, 1652, and 1698.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2325.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
Tom Schweich, with Ann Norton 2280.
6/12/2021.
.
.
Pascopyrum smithii (Rydb.) Á. Löve. (Syn: Agropyron smithii Rydb. ) Western Wheatgrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass, to 75 cm., rhizomes, not seen; Leaves, ligule, short membraneous, auricles, 0, blade revolute; Inflorescence, bilateral spike; Rachis, internodes 6 mm.; Spikelets, 17 mm. × 10 mm. wide × 2 mm., not in capitate clusters, 1 per node, not oriented edgewise to rachis; Glumes, < lowest floret, narrowly lanceolate, slightly asymmetric, lower, 9.5 mm., upper, 10.6 mm.; Florets, #6±; Lemma, 11 mm., awns, 0; Palea, 9 mm.; Anthers, 4.5 mm. Described from Coll. No. 1691, 28 Jun 2017.
- Stonebridge Homeowners Association,
Tom Schweich 3302.
6/21/2023.
.
.
Phleum pratense L. Timothy. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2327.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Poa bulbosa L. Bulbous Bluegrass. Weed: CO DofA, List: C. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association,
Tom Schweich 3270.
6/13/2023.
.
.
Poa compressa L. Canada Bluegrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial, 35-80 cm.; Root fibrous; Rhizomes not seen to numerous; Culms, compressed; Nodes, compressed; Leaf blade and sheath differentiated, soft; Sheath 40-55 mm., open top ¾ to full length; Blade, 40-55 mm., folded; Ligule membraneous, 1-4 mm.; Inflorescence 1 per culm, panicle, contracted, > leaves, 45 mm. × 12 mm. wide, spikelets many; Compression, lateral; Disarticulation, above the glumes, between the florets; Spikelets, similar, 1 per node, 1°-3° branches, 4 mm. × 1.5 mm. wide, bisexual; Florets per spikelet 3-5; Glumes #2, lower, 2(3) mm., veins #3, upper, 2.2(3) mm., < lowest floret; Callous glabrous; Lemma, 2 mm., keeled, few hairs near base, veins, 5 neither equally spaced nor prominent (much easier to see if you soften the lemmas with Pohl's solution!), tip, obtuse, awns 0; Palea, 2 mm., veins, green, sparsely scabrous; Anthers, #3, 1.6 mm.; Ovary glabrous. Described from Coll. No 861, 1231, and 1677.
- Stonebridge Homeowners Association,
Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2328.
7/24/2020.
Sovell, John R., and Susan S. Panjabi, 2021
.
.
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey. (Syn: Elytrigia intermedia (Host) Nevski , Elymus hispidus (Opiz) Melderis ) Intermediate Wheatgrass. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
Perennial grass, to >1 m., rhizomatous; Leaves, sheath, open, 19 cm., outer margin ciliate proximally, ligules, membraneous, 1 mm., auricles, 0, blade, 24 cm., involute; Inflorescence, 2-sided spike; Spikelets, 1 per node, sessile, ascending; Glumes, ±equal, 7.5-8.0 mm., stiff, veins 5, tip offset mucronate, awn 0, sparsely hairy on veins and margins; Florets per spikelet, 6; Lemma, 9 mm., stiff, veins 5, tip rudimentary awn; Palea, 8.5 mm., robust, fused to grain. Described from Coll. No. 1272, 20 July 2015.
- Stonebridge Homeowners Association,
Tom Schweich, with Ann Norton 2281.
6/12/2021.
.
Typhaceae
Typha latifolia L. Cattail. CalPhotos. Jepson eFlora. SEINet Taxon. Golden Flora.
- Stonebridge Homeowners Association, Susan Panjabi, Jessica Smith, Zac Wilson, and Tom Schweich 2342. 7/24/2020. Sovell, John R., and Susan S. Panjabi, 2021 .
| Total number of taxa: | 146 |
| Native Taxa: (serif, italic, bold) | 96 |
| Exotic Taxa: (sans-serif, italic) | 47 |
| Nativity Undetermined: (default font, italic) | 3 |
| Listed Weeds: Identified as Weed | 19 |
Notes:
† -- Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
‡ -- Southwest Environmental Information Network, SEINet. 2009-2014. http//:swbiodiversity.org/seinet/index.php. Accessed from July 2009 to September 2014.
Locations Included in This Area
Sovell, John R., and Susan S. Panjabi. 2021. Biological Survey of Golden Open Space Property, Jefferson County, Colorado. Fort Collins, CO: Colorado Natural Heritage Program, Colorado State University, 2021.
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Date and time this article was prepared: 2/22/2025 5:13:57 PM.
