Plant Check List for Trout Creek Pass, Chaffee 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 Trout Creek Pass, Chaffee County, United States.
2. [ ] Juniperus communis L. var. depressa Pursh. Common Juniper. CC:6 SaltCk
4. [ ] Picea pungens Engelm. Colorado Blue Spruce. CC:6 SaltCk
5. [ ] Pinus aristata Engelm. Bristlecone Pine. * SaltCk
6. [ ] Pinus contorta Douglas ex Loud. var. latifolia Engelm. Lodgepole Pine. CC:5 SaltCk
7. [ ] Pseudotsuga menziesii (Mirb.) Franco. Douglas-fir. * SaltCk
9. [ ] Pseudocymopterus montanus (A. Gray) J. M. Coult. & Rose. (=Cymopterus lemmonii (J. M. Coult. & Rose) Dorn) Alpine False Springparsley. * SaltCk
10. Tribe: Selineae
11. [ ] Cymopterus lemmonii (J. M. Coult. & Rose) Dorn. (Syn: Pseudocymopterus montanus (A. Gray) J. M. Coult. & Rose ) Alpine False Springparsley. CC:6 SaltCk
13. [ ] Asclepias hallii A. Gray. Hall's Milkweed. CC:6 SaltCk
15. Tribe: Anthemideae
16. SubTribe: Artemisiinae
17. [ ] Artemisia frigida Willd. Prairie Sagewort. CC:4 SaltCk
18. [ ] Artemisia ludoviciana Nutt. ssp. incompta (Nutt.) D. D. Keck. White Sagebrush. CC:3 SaltCk
19. [ ] Artemisia ludoviciana Nutt. ssp. ludoviciana. (Syn: A. britonii Rydb. ) White Sagebrush. CC:4 SaltCk
20. [ ] Artemisia tridentata Nutt. Big Sagebrush. CC:5 SaltCk
21. [ ] Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Beetle. Mountain Big Sagebrush. * SaltCk
22. Tribe: Astereae
23. SubTribe: Conyzinae
24. [ ] Erigeron flagellaris A. Gray. Trailing Fleabane. CC:3 SaltCk
25. [ ] Erigeron subtrinervis Rydb. ex Porter & Britton. Threenerve Daisy. CC:5 SaltCk
26. SubTribe: Gutiereziinae
27. [ ] Gutierrezia sarothrae (Pursh) Britton & Rusby. (Syn: G. linearifolia Lag. ) Broom Snakeweed. CC:3 SaltCk
28. SubTribe: Pentachaetinae
29. [ ] Ericameria parryi (A. Gray) G. L. Nesom & G. I. Baird var. parryi. Parry's Rabbitbrush. CC:4 SaltCk
30. SubTribe: Solidagininae
31. [ ] Solidago missouriensis Nutt. Missouri Goldenrod. CC:5 SaltCk
32. SubTribe: Symphyotrichinae
33. [ ] Symphyotrichum spathulatum (Lindl.) G. L. Nesom. (Syn: Aster occidentalis (Nutt.) Torr. & A. Gray , Aster occidentalis (Nutt.) Torr. & A. Gray var. fremontii ) Western Mountain Aster. CC:6 SaltCk
34. Tribe: Cardueae
35. SubTribe: Carduinae
36. [ ] Cirsium scariosum Nutt. Meadow Thistle. CC:6 SaltCk
37. Tribe: Chaenactideae
38. [ ] Chaenactis douglasii (Hook.) Hook. & Arn. var. douglasii. Douglas' Dustymaiden. * SaltCk
39. Tribe: Cichorieae
40. SubTribe: Lactucinae
41. [ ] Lactuca tatarica (L.) C.A.Mey. var. pulchella (Pursh) Breitung. (=Mulgedium pulchellum (Pursh) G. Don in R. Sweet) Blue Lettuce. CC:3 SaltCk
42. Tribe: Helenieae
43. SubTribe: Tetraneurinae
44. [ ] Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) Parker. (Syn: Picradenia richardsonii Hooker var. floribunda (A. Gray) Weber ) Colorado Rubberweed. CC:4 SaltCk
45. Tribe: Senecioneae
46. [ ] Packera fendleri (A. Gray) W.A. Weber & Á. Löve. (Syn: Senecio fendleri A. Gray ) Fendler’s Ragwort. CC:4 SaltCk
47. [ ] Tetradymia canescens DC. Spineless Horsebush. *
49. [ ] Cryptantha fendleri (A. Gray) Greene. Sand Dune Cat's-Eye. CC:3 SaltCk
50. [ ] Lappula occidentalis (S. Watson) Greene. (Syn: L. occidentalis (S. Watson) Greene var. occidentalis , L. redowskii (Hornem.) Greene , L. redowskii (Hornem.) Greene var. redowskii ) Flatspine Stickseed. CC:2 SaltCk
51. [ ] Lithospermum multiflorum Torrey ex A. Gray. Many Flowered Stoneseed. CC:5 SaltCk
52. [ ] Mertensia ciliata (Torr.) G. Don var. ciliata. Tall Fringed Bluebells. CC:7
53. [ ] Oreocarya thyrsiflora Greene. (Syn: Cryptantha thyrsiflora (Greene) Payson ) Limestone Cat's-Eye. CC:6 SaltCk
55. [ ] Draba nemorosa L. Woodland Whitlow Grass. CC:6 SaltCk
56. [ ] Physaria vitulifera Rydb. Bull. Torrey Bot. Club 28: 278. 1901. (Syn: P. vitulifera × bellii ) Roundtip Twinpod. CC:6 SaltCk
57. [ ] Turritis glabra L. (Syn: Arabis glabra (L.) Bernhardi ) Tower Rockcress. CC:4 SaltCk
59. [ ] Campanula parryi A. Gray. Parry's Bellflower. * SaltCk
60. [ ] Campanula rotundifolia L. (=Campanula petiolata A. DC.) Harebell. CC:5 SaltCk
62. [ ] Eremogone fendleri (A. Gray) Ikonnikov. (Syn: Arenaria fendleri A. Gray ) Fendler's Sandwort. CC:6 SaltCk
64. [ ] Euphorbia brachycera Engelm. (Syn: Tithymalus brachyceras (Engelm.) Small ) Horned Spurge. CC:6 SaltCk
66. [ ] Astragalus . Milkvetch. * SaltCk
67. [ ] Astragalus crassicarpus Nutt. Groundplum Milkvetch. CC:6 SaltCk
68. [ ] Astragalus hallii A. Gray var. hallii. Hall's Milkvetch. CC:4 SaltCk
69. [ ] Astragalus miser Douglas ex. Hook. var. oblongifolius (Rydb.) Cronquist. Timber Milkvetch. CC:6 SaltCk
70. [ ] Astragalus tenellus Pursh. Looseflower Milkvetch. CC:6 SaltCk
71. [ ] Oxytropis deflexa (Pall.) DC. var. sericea Torr. & A. Gray. Nodding Locoweed. CC:8 SaltCk
72. [ ] Oxytropis lambertii Pursh. Purple Locoweed. CC:5 SaltCk
73. [ ] Oxytropis sericea Nutt. ex Torr. & A. Gray var. sericea. White Locoweed. CC:5 SaltCk
74. [ ] Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson var. divaricarpa (A. Nelson) Isely. (Syn: Thermopsis divaricarpa A. Nelson ) Spreadfruit Goldenbanner. CC:6 SaltCk
76. [ ] Corydalis aurea Willd. Scrambled Eggs. CC:5 SaltCk
78. [ ] Frasera speciosa Griseb. (Syn: Swertia radiata (Kellogg) Kuntze ) Elkweed. CC:6 SaltCk
80. [ ] Geranium caespitosum James. Pineywoods Geranium. CC:6
82. [ ] Ribes inerme Rydb. var. inerme. White Stem Gooseberry. * SaltCk
84. [ ] Mentzelia speciosa Osterh. (Syn: Nuttallia speciosa (Osterh.) Greene ) Plains Blazing Star. CC:5 SaltCk
86. [ ] Epilobium ciliatum Raf. Fringed Willowherb. CC:4 SaltCk
87. [ ] Oenothera cespitosa Nutt. ssp. macroglottis (Rydb.) W.L. Wagner. Tufted Evening Primrose. CC:3 SaltCk
88. [ ] Oenothera coronopifolia Torr. & A. Gray. Crownleaf Evening Primrose. Hierba de San Juan.. CC:4 SaltCk
89. [ ] Oenothera suffrutescens (Ser.) W. L. Wagner & Hoch. (Syn: Gaura coccinea Pursh , Gaura glabra Lehm. ) Linda Tarde. CC:5 SaltCk
91. [ ] Penstemon barbatus (Cav.) Roth. Beard-Lip Beardtongue. CC:7
92. [ ] Penstemon barbatus (Cav.) Roth var. torreyi (Benth.) A. Gray. Beardlip Penstemon. CC:7 SaltCk
93. [ ] Penstemon teucrioides Greene. Germander Beardtongue. * SaltCk
94. [ ] Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn. Upright Blue Beardtongue. CC:6 SaltCk
96. [ ] Ipomopsis aggregata (Pursh) V.E. Grant ssp. candida (Rydb.) V.E. Grant & A.D. Grant. Scarlet Gilia. CC:3 SaltCk
98. [ ] Eriogonum alatum Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers. 168, plate 8. 1853. (Syn: Pterogonum alatum (Torr.) Gross ) Winged Buckwheat. CC:5 SaltCk
99. [ ] Rumex triangulivalvis (Danser) Rech. f. (Syn: R. salicifolius Weinm. var. triangulivalvis (Danser) J. C. Hickman ) Triangular-Valved Dock. CC:4 SaltCk
101. [ ] Androsace septentrionalis L. (Syn: Androsace septentrionalis L. ssp. subumbellata (A. Nelson) G. T. Robbins ) Pygmyflower Rockjasmine. CC:6 SaltCk
102. [ ] Dodecatheon pulchellum (Raf.) Merr. (=Primula pauciflora (Durand) A. R. Mast & Reveal var. pauciflora ) Beautiful Shootingstar. CC:8 SaltCk
103. [ ] Primula pauciflora (Durand) A. R. Mast & Reveal var. pauciflora. (Syn: Dodecatheon pulchellum (Raf.) Merr. ) Darkthroat Shooting Star. CC:8 SaltCk
105. [ ] Aquilegia coerulea E. James. Colorado Blue Columbine. CC:8 SaltCk
107. Tribe: Rosoideae
108. SubTribe: Potentilleae
109. [ ] Argentina anserina (L.) Rydb. (Syn: Potentilla anserina L. ) Silver Weed Cinquefoil. * SaltCk
110. [ ] Dasiphora fruticosa (L.) Rydb. (Syn: Potentilla fruticosa L. ) Shrubby Cinquefoil, Golden Hardtack. * SaltCk
111. [ ] Potentilla hippiana Lehm. var. hippiana. Wooly Cinquefoil. CC:5 SaltCk
112. [ ] Potentilla pensylvanica L. Prairie Cinquefoil. CC:6 SaltCk
113. SubTribe: Roseae
114. [ ] Rosa woodsii Lindl. Mountain Rose. CC:5 SaltCk
116. [ ] Galium boreale L. (Syn: Galium septentrionale Roem. & Schult. ) Bedstraw. CC:6
118. [ ] Populus tremuloides Michx. Quaking Aspen. CC:5 SaltCk
120. [ ] Allium cernuum Roth. Nodding Onion. CC:5 SaltCk
122. [ ] Carex utriculata Boott. Beaked Sedge. CC:5 SaltCk
124. [ ] Iris missouriensis Nutt. Western Blue Flag. CC:4 SaltCk
126. [ ] Platanthera huronensis (Nutt.) Lindl. Huron Green Orchid. CC:7 SaltCk
128. Tribe: Aveneae
129. [ ] Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass. CC:6 SaltCk
130. Tribe: Bromeae
131. [ ] Bromus porteri (J.M. Coult.) Nash. Nodding Brome. CC:5 SaltCk
132. Tribe: Danthonieae
133. [ ] Danthonia californica Bol. California Oatgrass. CC:7 SaltCk
134. Tribe: Eragrostideae
135. [ ] Muhlenbergia montana (Nutt.) Hitchc. Mountain Muhly. CC:7 SaltCk
136. Tribe: Stipeae
137. [ ] Eriocoma hymenoides (Roem. & Schult.) Rydb. (Syn: Achnatherum hymenoides (Roem. & Schult.) Barkworth , Oryzopsis hymenoides (Roem. & Schult.) Ricker , Stipa hymenoides Roem. & Schult. ) Indian Rice Grass. CC:3
138. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. CC:6 SaltCk
139. [ ] Nassella viridula (Trin.) Barkworth. (Syn: Stipa viridula Trin. ) Green Needlegrass. CC:4 SaltCk
140. Tribe: Triticeae
141. [ ] Elymus elymoides (Raf.) Swezey. (Syn: E. longifolius (J. G. Sm.) Gould , Sitanion hystrix (Nutt.) J. G. Sm. ) Squirreltail Grass. CC:4 SaltCk
142. [ ] Pascopyrum smithii (Rydb.) Á. Löve. (Syn: Agropyron smithii Rydb. ) Western Wheatgrass. CC:5 SaltCk
| Total number of taxa: | 86 |
| Native Taxa: (serif, italic, bold) | 82 |
| Exotic Taxa: (sans-serif, italic) | 1 |
| Nativity Undetermined: (default font, italic) | 3 |
| Listed Weeds: Identified as Weed | 0 |
| FQA, CC, n=74, Mean C: 5.2, FQI = 44.8 |
Locations Included in This Area
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Date and time this article was prepared: 10/2/2026 1:02:26 PM