Plant Check List for Schweich Hill, 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 (http://ucjeps.berkeley.edu/consortium/). For Colorado, much of the data is provided by the Southwest Environmental Information Network, 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.
This page is highly summarized. For detail about the distribution of plants, please see: Detailed Area List for Schweich Hill, Jefferson County, United States.
2. [ ] Juniperus virginiana L. Eastern Redcedar.
4. [ ] Rhus trilobata Nutt. var. trilobata. (Syn: Rhus aromatica Aiton var. trilobata (Nutt.) A. Gray ex S. Watson ) Skunkbush Sumac.
6. [ ] Lomatium orientale J.M. Coult. & Rose. Salt-and-Pepper.
8. [ ] Asclepias speciosa Torr. Showy Milkweed.
10. [ ] Ambrosia psilostachya DC. Western Ragweed.
11. [ ] Artemisia campestris L. Field Sagewort.
12. [ ] Artemisia dracunculus L. (Syn: Oligosporus dracunculus (L.) Poljakov ssp. glaucis (Pall. ex Willd.) A. Löve & D. Löve ) Tarragon, Dragon Wort.
13. [ ] Artemisia frigida Willd. Prairie Sagewort.
14. [ ] Artemisia ludoviciana Nutt. Silver Wormwood.
15. [ ] Artemisia ludoviciana Nutt. ssp. ludoviciana. (Syn: A. britonii Rydb. ) White Sagebrush.
16. [ ] Brickellia eupatorioides (L.) Shinners. False Boneset.
17. [ ] Carduus nutans L. (Syn: Carduus nutans L. ssp. macrolepis (Peterman) Kazmi ) Nodding Plumeless Thistle. Weed: CO DofA, List: B.
18. [ ] Centaurea diffusa Lam. (Syn: Acosta diffusa (Lam.) Soja' k ) Diffuse Knapweed. Weed: CO DofA, List: B.
19. [ ] Cirsium arvense (L.) Scop. (Syn: Breea arvensis (L.) Lessing ) Canada Thistle. Weed: CO DofA, List: B.
20. [ ] Cirsium undulatum (Nutt.) Spreng. Wavy Leaved Thistle.
21. [ ] Crepis occidentalis Nutt. (Syn: Psilochenia occidentalis (Nutt.) Nutt. ) Largeflower Hawksbeard.
22. [ ] 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.
23. [ ] Erigeron divergens Torr. & A. Gray. Spreading Fleabane.
24. [ ] Erigeron tracyi Greene. (Syn: E. cinereus A. Gray , E. colomexicanus A. Nelson , E. divergens Torrey & A. Gray var. cinereus A. Gray ) Running Fleabane.
25. [ ] Gaillardia aristata Pursh. Blanketflower.
26. [ ] Gutierrezia sarothrae (Pursh) Britton & Rusby. (Syn: G. linearifolia Lag. ) Broom Snakeweed.
27. [ ] Helianthus pumilus Nutt. Little Sunflower.
28. [ ] Heterotheca villosa (Pursh) Shinners. (Syn: H. v. (Pursh) Shinners var. nana (A. Gray) Semple , H. v. (Pursh) Shinners var. villosa ) Hairy False Goldenaster.
29. [ ] Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B.L. Turner. Many-Headed Fine-Leaved Wooly-White.
30. [ ] Lactuca serriola L. Prickly Lettuce.
31. [ ] Liatris punctata Hook. Dotted Blazing Star.
32. [ ] Nothocalais cuspidata (Pursh) Greene. Prairie False Dandelion.
33. [ ] Packera fendleri (A. Gray) W.A. Weber & Á. Löve. (Syn: Senecio fendleri A. Gray ) Fendler’s Ragwort.
34. [ ] Packera tridenticulata (Rydb.) W.A. Weber & Á. Löve. (Syn: Senecio tridenticulatus Rydb. ) Three-Tooth Ragwort.
35. [ ] Ratibida columnifera (Nutt.) Woot. & Standl. (Syn: Rudbeckia columnifera Nutt. ) Upright Prairie Coneflower.
36. [ ] Scorzonera laciniata L. (Syn: Podospermum laciniatum (L.) De Candolle ) Cutleaf Vipergrass.
37. [ ] Senecio integerrimus Nutt. Columbia Ragwort.
38. [ ] Senecio spartioides Torr. & A. Gray. (Syn: S. multicapitatus Greenm. ex Rydb. ) Broomlike Ragwort.
39. [ ] Solidago missouriensis Nutt. Missouri Goldenrod.
40. [ ] Solidago nana Nutt. Baby Goldenrod.
41. [ ] Symphyotrichum ericoides (Linnaeus) G. L. Nesom. (Syn: Virgulus ericoides (Linnaeus) Reveal & Keener ) White Heath Aster.
42. [ ] Symphyotrichum falcatum (Lindl.) G.L. Nesom. (Syn: Aster falcatus Lindl. ) White Prairie Aster.
43. [ ] Symphyotrichum porteri (A. Gray) G.L. Nesom. (Syn: Aster porteri A. Gray ) Smooth White Aster.
44. [ ] Taraxacum officinale F. H. Wigg. (Syn: T. laevigatum (Willd.) DC. ) Common Dandelion.
45. [ ] Thelesperma megapotamicum (Spreng.) Kuntze. Hopi Tea Greenthread.
46. [ ] Tragopogon dubius Scop. (Syn: Tragopogon dubius Scop. ssp. major (Jacq.) Vollman ) Yellow Salsify.
47. [ ] Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. (Syn: Machaeranthera pinnatifida (Hook.) Shinners ) Spiny Goldenweed.
49. [ ] Cryptantha virgata (Porter) Payson. (=Oreocarya virgata (Porter) Greene) Miner"s Candle.
50. [ ] Lithospermum incisum Lehm. Narrowleaf Stoneseed.
51. [ ] Mertensia lanceolata (Pursh) DC. Prairie Bluebells.
53. [ ] Alyssum simplex Rudolphi. (Syn: Alyssum minus Rothm. , Alyssum parviflorum Fisch. ex M.Bieb. ) European Madwort.
54. [ ] Camelina microcarpa Andrz. ex DC. Little-Podded False Flax.
55. [ ] Chorispora tenella (Pall.) DC. Crossflower.
56. [ ] Physaria montana (A. Gray) Greene. (Syn: Lesquerella montana (A. Gray) S. Watson ) Mountain Bladderpod.
57. [ ] Sisymbrium altissimum L. Tall Tumblemustard.
58. [ ] Thlaspi arvense L. Field Penny Cress.
60. [ ] Echinocereus viridiflorus Engelm. (Syn: Echinocereus chloranthus (Engelm.) J.N.Haage , Echinocereus viridiflorus Engelm. var. chloranthus (Engelm.) Backeb. ) Nylon Hedgehog Cactus.
61. [ ] Escobaria missouriensis (Sweet) D.R.Hunt. (Syn: Coryphantha missouriensis (Sweet) Britton & Rose ) Missouri Foxtail Cactus.
62. [ ] 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.
63. [ ] Opuntia macrorhiza Engelm. Western Pricklypear.
64. [ ] Opuntia polyacantha Haw. Plains Pricklypear.
66. [ ] Campanula glomerata L. Dane's Blood.
68. [ ] Celtis reticulata Torr. (Syn: Celtis laevigata Willd. var. reticulata L. D. Benson ) Net-Leaved Hackberry.
70. [ ] Lonicera tatarica L. Tatarian Honeysuckle.
72. [ ] Cerastium arvense L. ssp. strictum Gaudin. (Syn: Cerastium strictum L ) Field Chickweed.
73. [ ] Gypsophila paniculata L. (Syn: G. paniculata L. var. p. ) Baby's Breath. Weed: CO DofA, List: Watch.
74. [ ] Saponaria officinalis L. Bouncingbet. Weed: CO DofA, List: B.
75. [ ] Stellaria media (L.) Vill. (Syn: Alsine media L. ) Common Chickweed.
77. [ ] Chenopodium album L. Lambsquarters.
79. [ ] Convolvulus arvensis L. Field Bindweed. Weed: CO DofA, List: C.
80. [ ] Evolvulus nuttallianus Roem. & Schult. (Syn: E. argenteus Pursh [illeg.] , E. pilosus Nutt. ) Shaggy Dwarf Morning Glory.
82. [ ] Elaeagnus angustifolia L. Russian Olive. Weed: CO DofA, List: B.
84. [ ] Euphorbia marginata Pursh. (Syn: Agaloma marginata (Pursh) A. Löve & D. Löve ) Snow on the Mountain.
85. [ ] Euphorbia myrsinites L. (Syn: Tithymalus myrsinites (L.) Hill ) Myrtle Spurge. Weed: CO DofA, List: A.
87. [ ] Astragalus . Milkvetch.
88. [ ] Astragalus agrestis Douglas ex G. Don. Purple Milkvetch.
89. [ ] Astragalus crassicarpus Nutt. Groundplum Milkvetch.
90. [ ] Astragalus drummondii Dougl. ex Hook. Drummond's Milkvetch.
91. [ ] Astragalus flexuosus G. Don. Flexible Milkvetch.
92. [ ] Colutea arborescens L. Bladder Senna.
93. [ ] Medicago sativa L. Alfalfa.
94. [ ] Melilotus officinalis (L.) Lam. Yellow Sweet Clover.
95. [ ] Oxytropis lambertii Pursh. Purple Locoweed.
96. [ ] Pediomelum tenuiflorum (Pursh) A. N. Egan. (Syn: Psoralea tenuiflora Pursh , Psoralidium tenuiflorum (Pursh) Rydb. ) Slimflower Scurfpea.
98. [ ] Erodium cicutarium (L.) L'Her. ex Aiton. Hemlock-leav'd Crane's-bill. Weed: CO DofA, List: C.
100. [ ] Ribes cereum Douglas. Wax Currant.
102. [ ] Lamium amplexicaule L. Henbit.
103. [ ] Marrubium vulgare L. Horehound.
104. [ ] Scutellaria brittonii Porter. Britton's Skullcap.
106. [ ] Linum lewisii Pursh. (Syn: Adenolinum lewisii (Pursh) A. Löve & D. Löve ) Prairie Blue Flax.
108. [ ] Mentzelia nuda (Pursh) Torr. & A. Gray. (Syn: Nuttallia nuda (Pursh) Greene ) Bractless Blazing Star.
110. [ ] Malva neglecta Wallr. Common Mallow.
111. [ ] Sphaeralcea coccinea (Nutt.) Rydb. Cowboy's Delight.
113. [ ] Mirabilis linearis (Pursh) Heimerl. (Syn: Oxybaphus linearis (Pursh) B. L. Robinson ) Narrowleaf Four O'Clock.
115. [ ] Oenothera coronopifolia Torr. & A. Gray. Crownleaf Evening Primrose. Hierba de San Juan..
116. [ ] Oenothera suffrutescens (Ser.) W. L. Wagner & Hoch. (Syn: Gaura coccinea Pursh , Gaura glabra Lehm. ) Linda Tarde.
118. [ ] Castilleja integra A. Gray. Wholeleaf Indian Paintbrush.
119. [ ] Orobanche fasciculata Nutt. (Syn: Aphyllon fasciculatum (Nutt.) Torr. & A. Gray ) Clustered Broomrape.
121. [ ] 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.
122. [ ] Penstemon secundiflorus Benth. Sidebells Penstemon.
123. [ ] Penstemon virens Pennell ex Rydb. Front Range Beardtongue.
125. [ ] Eriogonum alatum Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers. 168, plate 8. 1853. (Syn: Pterogonum alatum (Torr.) Gross ) Winged Buckwheat.
126. [ ] Eriogonum arcuatum Greene, Pittonia. 4: 319. 1901. (Syn: E. bakeri Greene , E. jamesii Benth var. flavescens S. Watson ) Baker's Buckwheat.
127. [ ] Eriogonum effusum Nuttall, Proc. Acad. Nat. Sci. Philadelphia. 4: 15. 1848. Spreading Buckwheat.
128. [ ] Rumex crispus L. Curley Dock.
130. [ ] Delphinium carolinianum Walter ssp. virescens (Nutt.) R.E. Brooks. (Syn: D. carolinianum Walter ssp. penardii (Huth) L. M. Perry , Delphinium virescens Nutt. ) Plains Larkspur.
132. [ ] Prunus pensylvanica L. f. (Syn: Cerasus pensylvanica (L. f.) Loiseleur ) Pin Cherry.
133. [ ] Prunus virginiana L. Chokecherry.
134. [ ] Rosa arkansana Porter. Prairie Rose.
136. [ ] Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl. (Syn: Comandra umbellata (L.) Nutt. var. pallida (A. DC.) M. E. Jones ) Pale Bastard Toadflax.
138. [ ] Verbascum thapsus L. Common Mullein. Weed: CO DofA, List: C.
140. [ ] Viola nuttallii Pursh. Nuttall's Violet.
142. [ ] Parthenocissus vitacea (Knerr) Hitchcock. Woodbine, thicket creeper.
144. [ ] Yucca glauca Nutt. Soapweed Yucca.
146. [ ] Leucocrinum montanum Nutt. ex A. Gray. Star Lily.
148. [ ] Tradescantia occidentalis (Britton) Smyth. Prairie Spiderwort.
150. [ ] Carex inops L.H. Bailey ssp. heliophila (Mack.) Crins. (Syn: C. pensylvanica Lam. ssp. heliophila (Mack.) W. A. Weber ) Sun Sedge.
152. [ ] Iris L. Horticultural Iris.
154. [ ] Muscari botryoides (L.) Mill. Common Grape Hyacinth.
155. [ ] Narcissus L. Horticultural Daffodil.
157. [ ] . Grass Family.
158. [ ] Aegilops cylindrica Host. (Syn: Cylindropyrum cylindricum (Host) Á.Löve ) Jointed Goat Grass. Weed: CO DofA, List: B.
159. [ ] Agropyron cristatum (L.) Gaertn. Crested Wheat Grass.
160. [ ] Andropogon gerardii Vitman. Big Bluestem.
161. [ ] Aristida purpurea Nutt. var. longiseta (Steud.) Vasey. (Syn: Aristida longiseta Steud. ) Purple Threeawn.
162. [ ] Bouteloua dactyloides (Nutt.) J.T. Columbus. (Syn: Buchloe dactyloides (Nutt.) Engelm. ) Buffalo Grass.
163. [ ] Bouteloua gracilis (Kunth) Lag. ex Griffiths. (Syn: Chondrosum gracile Kunth ) Blue Grama.
164. [ ] Bromus carinatus Hook. & Arn. (Syn: Ceratochloa carinata (Hook. & Arn.) Tutin ) California Brome.
165. [ ] Bromus inermis Leyss. (Syn: B. inermis Leyss. ssp. inermis ) Smooth Brome.
166. [ ] Bromus japonicus Thunb. Japanese Cheat Grass.
167. [ ] Bromus tectorum L. (Syn: B. tectorum L. var. glabratus Spenn. ) Cheat Grass. Weed: CO DofA, List: C.
168. [ ] Dactylis glomerata L. Orchard Grass.
169. [ ] Elymus canadensis L. Canadian Wildrye.
170. [ ] Elymus elymoides (Raf.) Swezey. (Syn: E. longifolius (J. G. Sm.) Gould , Sitanion hystrix (Nutt.) J. G. Sm. ) Squirreltail Grass.
171. [ ] Festuca idahoensis Elmer. Idaho Fescue.
172. [ ] Festuca saximontana Rydb. (Syn: F. saximontana Rydb. var. purpusiana (St.-Yves) Fred. & Pavlick ) Rocky Mountain Fescue.
173. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread.
174. [ ] Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass.
175. [ ] Nassella viridula (Trin.) Barkworth. (Syn: Stipa viridula Trin. ) Green Needlegrass.
176. [ ] Poa pratensis L. (Syn: P. agassizensis B. Boivin & D. Löve ) Kentucky Bluegrass.
177. [ ] Poa secunda J. Presl. (Syn: P. nevadensis Vasey ex Scribn. ) Sandberg Bluegrass..
178. [ ] Schizachyrium scoparium (Michx.) Nash. Little Bluestem.
179. [ ] Sporobolus cryptandrus (Torr.) A. Gray. (Syn: Agrostis cryptandra Torr. ) Sand Drop-seed.
180. [ ] Thinopyrum intermedium (Host) Barkworth & D.R. Dewey. (Syn: Elytrigia intermedia (Host) Nevski , Elymus hispidus (Opiz) Melderis ) Intermediate Wheatgrass.
181. [ ] Triticum aestivum L. Wheat.
182. [ ] Vulpia octoflora (Walt.) Rydb. (Syn: Festuca octoflora Walter , Vulpia octoflora (Walt.) Rydb. var. octoflora ) Six Weeks Fescue.
| Total number of taxa: | 141 |
| Native Taxa: (serif, italic, bold) | 94 |
| Exotic Taxa: (sans-serif, italic) | 45 |
| Nativity Undetermined: (default font, italic) | 2 |
| Listed Weeds: Identified as Weed | 13 |
Locations Included in This Area
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Date and time this article was prepared: 4/21/2025 8:36:34 PM