Plant Check List for Clear Creek Canyon Park -- Wildflower Walk, 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 Clear Creek Canyon Park -- Wildflower Walk, Jefferson County, United States.
2. [ ] Equisetum laevigatum A. Braun. Smooth Horsetail. CC:4
4. [ ] Juniperus scopulorum Sarg. (Syn: Sabina scopulorum Sarg.(Sarg.) Rydb. ) Rocky Mountain Juniper. CC:5
6. [ ] Pinus scopulorum Lemmon. (Syn: P. ponderosa Laws. var. scopulorum Engelm. ) Rocky Mountain yellow pine. CC:5
7. [ ] Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco. (Syn: Pseudotsuga menziesii (Mirb.) Franco var. glauca (Mayr) Franco ) Douglas-fir. CC:5
9. [ ] Rhus trilobata Nutt. var. trilobata. (Syn: Rhus aromatica Aiton var. trilobata (Nutt.) A. Gray ex S. Watson ) Skunkbush Sumac. CC:5
10. [ ] Toxicodendron rydbergii (Small ex Rydb.) Greene. Western Poison Ivy. CC:3
12. Tribe: Anthemideae
13. SubTribe: Artemisiinae
14. [ ] Artemisia frigida Willd. Prairie Sagewort. CC:4
15. SubTribe: Matricariinae
16. [ ] 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. CC:4
17. Tribe: Astereae
18. SubTribe: Chrysopsidinae
19. [ ] Heterotheca villosa (Pursh) Shinners. (Syn: H. v. (Pursh) Shinners var. nana (A. Gray) Semple , H. v. (Pursh) Shinners var. villosa ) Hairy False Goldenaster. CC:3
20. SubTribe: Conyzinae
21. [ ] Erigeron flagellaris A. Gray. Trailing Fleabane. CC:3
22. SubTribe: Machaerantherinae
23. [ ] Grindelia subalpina Greene. Subalpine Gumweed. CC:4
24. Tribe: Cardueae
25. SubTribe: Carduinae
26. [ ] Carduus nutans L. (Syn: Carduus nutans L. ssp. macrolepis (Peterman) Kazmi ) Nodding Plumeless Thistle. CC:0 Weed: CO DofA, List: B.
27. Tribe: Eupatorieae
28. [ ] Brickellia californica (Torrey & A. Gray) A. Gray. California Brickelbush. CC:7
29. Tribe: Heliantheae
30. SubTribe: Helianthinae
31. [ ] Helianthus pumilus Nutt. Little Sunflower. CC:4
32. SubTribe: Rudbeckiinae
33. [ ] Rudbeckia laciniata L. Cut-Leaf Coneflower.. *
34. Tribe: Senecioneae
35. [ ] Senecio integerrimus Nutt. Columbia Ragwort. CC:5
36. [ ] Senecio triangularis Hook. Arrowleaf Ragwort. CC:7
38. [ ] Berberis repens Lindl. (Syn: Mahonia repens (Lindl.) G. Don ) Creeping Barberry. CC:5
40. [ ] Betula occidentalis Hook. (Syn: Betula fontinalis Sarg. ) Water Birch. CC:8
42. [ ] Cynoglossum officinale L. Gypsyflower. CC:0 Weed: CO DofA, List: B.
43. [ ] Phacelia hastata Douglas ex Lehm. Silverleaf Phacelia. CC:5 Stems usually several.
44. [ ] Phacelia heterophylla Pursh. Varileaf Phacelia. CC:6 Stems usually single.
46. [ ] Physaria vitulifera Rydb. Bull. Torrey Bot. Club 28: 278. 1901. (Syn: P. vitulifera × bellii ) Roundtip Twinpod. CC:6
48. [ ] Opuntia polyacantha Haw. Plains Pricklypear. CC:5
49. [ ] Pediocactus simpsonii (Engelm.) Britton & Rose. (Syn: Echinocactus simpsonii Engelm. , Pediocactus simpsonii (Engelm.) Britton & Rose var. minor (Engelm.) Cockerell ) Mountain Ball Cactus. CC:6
51. [ ] Campanula petiolata A. DC. (Syn: Campanula rotundifolia L. ) Western Harebell. CC:5
53. [ ] Celtis reticulata Torr. (Syn: Celtis laevigata Willd. var. reticulata L. D. Benson ) Net-Leaved Hackberry. CC:6
54. [ ] Humulus neomexicanus (A. Nelson & Cockerell) Rydb. New Mexican Hops. CC:5
56. [ ] Cerastium arvense L. ssp. strictum Gaudin. (Syn: Cerastium strictum L ) Field Chickweed. CC:5
57. [ ] Pseudostellaria jamesiana (Torr.) W. A. Weber & R. L. Hartm. (Syn: Stellaria jamesiana Torr. ) Tuber Starwort. CC:6
58. [ ] Silene latifolia Poir. (Syn: Lychnis alba Mill. , Melandrium dioicum (L.) Cosson & Germain ) Bladder Campion. CC:0
60. [ ] Convolvulus arvensis L. Field Bindweed. CC:0 Weed: CO DofA, List: C.
62. [ ] Sedum lanceolatum Torr. (Syn: Amerosedum lanceolatum (Torr.) A. Löve & D. Löve ) Spearleaf Stonecrop. CC:5
64. [ ] Medicago sativa L. Alfalfa. CC:0
65. [ ] Melilotus officinalis (L.) Lam. Yellow Sweet Clover. CC:0
67. [ ] Ribes aureum Pursh. Golden Currant. CC:6
68. [ ] Ribes cereum Douglas. Wax Currant. CC:6
70. [ ] Mentzelia multiflora (Nutt.) A. Gray. (Syn: Nuttallia multiflora (Nutt.) Greene ) Adonis Blazing Star. CC:5
72. [ ] Malva neglecta Wallr. Common Mallow. CC:0
74. [ ] Claytonia rosea Rydb. Rocky Mountain Springbeauty. CC:7
76. [ ] Argemone polyanthemos (Fedde) G.B. Ownbey. Crested Prickly Poppy. CC:3
78. [ ] Linaria dalmatica (L.) Mill. (Syn: Linaria dalmatica (L.) Mill. ssp. dalmatica , Linaria genistifolia (L.) Mill. ssp. dalmatica (L.) Maire & Petitm. ) Dalmatian ToadFlax. CC:0 Weed: CO DofA, List: B.
79. [ ] Penstemon strictus Benth. Rocky Mountain Penstemon. CC:5
80. [ ] Penstemon virens Pennell ex Rydb. Front Range Beardtongue. CC:7
81. [ ] Plantago lanceolata L. Narrowleaf Plantain. CC:0
83. [ ] Eriogonum alatum Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers. 168, plate 8. 1853. (Syn: Pterogonum alatum (Torr.) Gross ) Winged Buckwheat. CC:5
84. [ ] Eriogonum umbellatum Torr. var. umbellatum. Sulphur-Flower Buckwheat. CC:6
86. [ ] Primula pauciflora (Durand) A. R. Mast & Reveal var. pauciflora. (Syn: Dodecatheon pulchellum (Raf.) Merr. ) Darkthroat Shooting Star. CC:8
88. [ ] Cyrtorhyncha ranunculina Nutt. Ex Torrey & A. Gray. (Syn: Ranunculus ranunculinus (Nutt.) Rydb. ) Tadpole Buttenrcup. CC:7
89. [ ] Delphinium nuttallianum Pritz. Twolobe Larkspur. CC:6
91. Tribe: Amygdaloideae
92. SubTribe: Amygdaleae
93. [ ] Prunus americana Marshall. American Plum. CC:6
94. [ ] Prunus virginiana L. Chokecherry. CC:4
95. SubTribe: Maleae
96. [ ] Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Saskatoon Serviceberry. CC:6
97. SubTribe: Neillieae
98. [ ] Physocarpus monogynus (Torr.) J.M. Coult. (Syn: Spiraea monogyna Torr. ) Mountain Ninebark. CC:7
99. SubTribe: Spiraeeae
100. [ ] Holodiscus discolor (Pursh) Maxim. var. dumosus (S. Watson) Maxim. Ex J. M. Coult. (Syn: H. dumosus (Nutt. ex Torr. & A.Gray) A.Heller ) Rock Spiraea. CC:8
101. Tribe: Dryadoideae
102. SubTribe: Dryadeae
103. [ ] Cercocarpus montanus Raf. Alder-Leaf Mountain Mahogany. CC:6
104. Tribe: Rosoideae
105. SubTribe: Roseae
106. [ ] Rosa acicularis Lindl. ssp. sayi (Schwein.) W. H. Lewis. (Syn: Rosa acicularis Lindl. , Rosa sayi Schweinitz ) Say's Acicular Rose. CC:5
107. [ ] Rosa glauca Pourr. Red-leaved Rose. CC:0
108. SubTribe: Rubeae
109. [ ] Rubus deliciosus Torr. (Syn: Oreobatus deliciosus Torr.(E. James ex Torr.) Rydb. ) Delicious raspberry. CC:6
111. [ ] Galium aparine L. (Syn: Galium aparine L. var. echinospermum (Wallr.) Farw. , Galium spurium L. ) Sticky Willy, Cleavers. CC:1
113. [ ] Populus angustifolia E. James. Narrowleaf Cottonwood. CC:5
115. [ ] Acer glabrum Torr. var. glabrum. (Syn: A. glabrum Torr. var. torreyi (Greene) Smiley ) Rocky Mountain Maple. CC:7
116. [ ] Acer negundo L. (Syn: Acer negundo L. var. interius (Britton) Sarg. , Negundo aceroides (L.) Moench ) Box Elder. CC:4
118. [ ] Heuchera parvifolia Nutt. ex Torr. & A. Gray. Littleleaf Alumroot. CC:7
120. [ ] Scrophularia lanceolata Pursh. Lanceleaf Figwort. CC:5
121. [ ] Verbascum thapsus L. Common Mullein. CC:0 Weed: CO DofA, List: C.
123. [ ] Physalis hispida (Waterf.) Cronquist. Prairie Ground Cherry. CC:5
125. [ ] Ulmus pumila L. Siberian Elm. CC:0 Weed: CO DofA, List: C.
127. [ ] Viola canadensis L. (Syn: Viola rydbergii Greene , Viola scopulorum (A. Gray) Greene ) Canadian White Violet. CC:7
129. [ ] Allium geyeri S. Watson. Geyer's Onion. CC:5
131. Tribe: Nolinoideae
132. SubTribe: Polygonateae
133. [ ] Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) LaFrankie. (Syn: Maianthemum amplexicaule (Nutt.) W. A. Weber ) Feathery False Lily of the Valley. CC:7
135. [ ] Tradescantia occidentalis (Britton) Smyth. Prairie Spiderwort. CC:5
137. Tribe: Bromeae
138. [ ] Bromus inermis Leyss. (Syn: B. inermis Leyss. ssp. inermis ) Smooth Brome. CC:0
139. Tribe: Cynodonteae
140. [ ] Bouteloua curtipendula (Michx.) Torr. Sideoats Grama. CC:6
141. Tribe: Paniceae
142. [ ] Dichanthelium scribnerianum (Nash) J. R. Thomas. (Syn: D. oligosanthes (J. A. Schultes) Gould ssp. scribnerianum (Nash) Freckmann & Lelong ) Few-Flowered Panicgrass. CC:6
143. Tribe: Stipeae
144. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. CC:6
145. Tribe: Triticeae
146. [ ] Pseudoroegneria spicata (Pursh) A. Löve. (Syn: Elymus spicatus (Pursh) Gould ) Bluebunch Wheat Grass. CC:7
| Total number of taxa: | 77 |
| Native Taxa: (serif, italic, bold) | 63 |
| Exotic Taxa: (sans-serif, italic) | 14 |
| Nativity Undetermined: (default font, italic) | 0 |
| Listed Weeds: Identified as Weed | 6 |
| FQA, CC, n=76, Mean C: 4.5, FQI = 39.3 |
Locations Included in This Area
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Date and time this article was prepared: 8/1/2026 3:20:07 PM