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. [ ] Chaenactis (Hook.) Hook. & Arn. Douglas' Dustymaiden. SaltCk
3. [ ] Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) Parker. (Syn: Picradenia richardsonii Hooker var. floribunda (A. Gray) Weber ) Colorado Rubberweed. SaltCk Trout
4. [ ] Tetradymia canescens DC. Spineless Horsebush. Trout

5. Boraginaceae

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

9. Fabaceae

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

11. Geraniaceae

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

13. Onagraceae

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

15. Plantaginaceae

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

17. Polemoniaceae

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

19. Rubiaceae

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

21. Poaceae

22. [ ] Achnatherum hymenoides (Roem. & Schult.) Barkworth. (=Eriocoma hymenoides (Roem. & Schult.) Rydb.) Indian Rice Grass. Trout
23. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. SaltCk

Total number of taxa: 14
Native Taxa:
(serif, italic, bold)
Exotic Taxa:
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Nativity Undetermined:
(default font, italic)
Listed Weeds:
Indentified as Weed

Locations Included in This Area

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Date and time this article was prepared: 7/24/2021 4:46:15 PM