Plant Check List for Cottonwood Open Space, City of Golden, Jefferson County, Colorado
Edited by Tom Schweich
This list is assembled from personal collections, herbarium vouchers, and published lists, that were available at the time this list was prepared. There may be additional species of plants in this area that were unknown or undocumented at the time this list was prepared. 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 Cottonwood Open Space (City of Golden), Jefferson County, United States.
Area Description: Small parcel wedged in between the golf course, the highschool, and three private HOAs, i.e., Harmony Village, Cottonwood Villas, and Homestake.
Floristic Quality: FQA, CC, n=15, Mean C: 2.3, FQI = 9
Comments: All of the parking anywhere near this open space is restricted on Monday through Friday.
2. Tribe: Smyrnieae
3. [ ] Conium maculatum L. Common Poison Hemlock. CC:0 Weed: CO DofA, List: C. CttnWdNA
5. [ ] Asclepias speciosa Torr. Showy Milkweed. CC:3 CttnWdNA
7. Tribe: Astereae
8. SubTribe: Chrysopsidinae
9. [ ] 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 CttnWdNA
10. Tribe: Cardueae
11. SubTribe: Onopordinae
12. [ ] Onopordum acanthium L. Scotch Cottonthistle. CC:0 Weed: CO DofA, List: B. CttnWdNA
13. Tribe: Eupatorieae
14. [ ] Brickellia eupatorioides (L.) Shinners. False Boneset. CC:6 CttnWdNA
16. [ ] Lepidium draba L. (Syn: Cardaria draba (L.) Desv. ) White Top, Hoary Cress. CC:0 Weed: CO DofA, List: B. CttnWdNA
18. [ ] Opuntia macrorhiza Engelm. Western Pricklypear. CC:3 CttnWdNA
20. Tribe: Amygdaloideae
21. SubTribe: Maleae
22. [ ] Crataegus . Hawthorn. * CttnWdNA
24. [ ] Populus deltoides Marshall ssp. monilifera (Aiton) Eckenw. (Syn: Populus sargentii Dode ) Plains Cottonwood. CC:3 CttnWdNA
25. [ ] Salix exigua Nutt. Coyote Willow, Narrow-Leaved Willow. CC:3 CttnWdNA
27. [ ] Verbascum thapsus L. Common Mullein. CC:0 Weed: CO DofA, List: C. CttnWdNA
29. [ ] Solanum dulcamara L. Climbing Nightshade. CC:0
31. Tribe: Agavoideae
32. SubTribe: Agaveae
33. [ ] Yucca glauca Nutt. Soapweed Yucca. CC:4 CttnWdNA
35. Tribe: Andropogoneae
36. [ ] Sorghastrum nutans (L.) Nash. Yellow Indian Grass. CC:10 CttnWdNA
37. Tribe: Bromeae
38. [ ] Bromus inermis Leyss. (Syn: B. inermis Leyss. ssp. inermis ) Smooth Brome. CC:0 CttnWdNA
39. Tribe: Poeae
40. [ ] Festuca ovina L. Complex, hybrid or selection. * CttnWdNA
41. Tribe: Triticeae
42. [ ] Agropyron cristatum (L.) Gaertn. Crested Wheat Grass. CC:0 CttnWdNA
| Total number of taxa: | 17 |
| Native Taxa: (serif, italic, bold) | 8 |
| Non-native Taxa: (sans-serif, italic) | 8 |
| Nativity Undetermined: (default font, italic) | 1 |
| Listed Weeds: Identified as Weed | 4 |
| FQA, CC, n=15, Mean C: 2.3, FQI = 9 |
Locations Included in This Area
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Date and time this article was prepared: 11/3/2026 12:17:16 PM