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 ( For Colorado, much of the data is provided by the Southwest Environmental Information Network, which web site is found at ( 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.

1. Asteraceae

2. [ ] Artemisia frigida Willd. Prairie Sagewort. SaltCk
3. [ ] Artemisia ludoviciana Nutt. Silver Wormwood. SaltCk
4. [ ] Chaenactis (Hook.) Hook. & Arn. Douglas' Dustymaiden. SaltCk
5. [ ] Gutierrezia sarothrae (Pursh) Britton & Rusby. (Syn: G. linearifolia Lag. ) Broom Snakeweed. SaltCk
6. [ ] Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) Parker. (Syn: Picradenia richardsonii Hooker var. floribunda (A. Gray) Weber ) Colorado Rubberweed. SaltCk Trout
7. [ ] Tetradymia canescens DC. Spineless Horsebush. Trout

8. Boraginaceae

9. [ ] Cryptantha thyrsiflora (Greene) Payson. Limestone Cat's-Eye. SaltCk
10. [ ] Lithospermum multiflorum Torrey ex A. Gray. Many Flowered Stoneseed. SaltCk
11. [ ] Mertensia ciliata (Torr.) G. Don. Tall Fringed Bluebells. Trout

12. Fabaceae

13. [ ] Oxytropis sericea Torr. & A. Gray. White Locoweed. SaltCk

14. Geraniaceae

15. [ ] Geranium caespitosum James. Pineywoods Geranium. Trout

16. Onagraceae

17. [ ] Oenothera coronopifolia Torr. & A. Gray. Crownleaf Evening Primrose. SaltCk

18. Plantaginaceae

19. [ ] Penstemon barbatus (Cav.) Roth. Beard-Lip Beardtongue. SaltCk Trout

20. Polemoniaceae

21. [ ] Ipomopsis aggregata (Pursh) V.E. Grant ssp. candida (Rydb.) V.E. Grant & A.D. Grant. Scarlet Gilia. SaltCk

22. Rubiaceae

23. [ ] Galium boreale S. Watson. (Syn: Galium septentrionale Roem. & Schult. ) Bedstraw. Trout

24. Poaceae

25. [ ] Achnatherum hymenoides (Roem. & Schult.) Barkworth. (=Eriocoma hymenoides (Roem. & Schult.) Rydb.) Indian Rice Grass. Trout
26. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. SaltCk
27. [ ] Muhlenbergia montana (Nutt.) Hitchc. Mountain Muhly. SaltCk

Total number of taxa: 18
Native Taxa:
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Exotic Taxa:
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Nativity Undetermined:
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Listed Weeds:
Indentified as Weed

Locations Included in This Area

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Date and time this article was prepared: 9/22/2021 6:12:04 PM