Plant Check List for Schweich Hill, 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 Schweich Hill, Jefferson County, United States.
2. [ ] Juniperus virginiana L. var. virginiana. Eastern Redcedar. CC:4
4. [ ] Rhus trilobata Nutt. var. trilobata. (Syn: Rhus aromatica Aiton var. trilobata (Nutt.) A. Gray ex S. Watson ) Skunkbush Sumac. CC:5
6. Tribe: Selineae
7. [ ] Lomatium orientale J.M. Coult. & Rose. Salt-and-Pepper. CC:6
9. [ ] Asclepias speciosa Torr. Showy Milkweed. CC:3
11. Tribe: Anthemideae
12. SubTribe: Artemisiinae
13. [ ] Artemisia campestris L. Field Sagewort. CC:5
14. [ ] Artemisia dracunculus L. (Syn: Oligosporus dracunculus (L.) Poljakov ssp. glaucis (Pall. ex Willd.) A. Löve & D. Löve ) Tarragon, Dragonwort. CC:3
15. [ ] Artemisia frigida Willd. Prairie Sagewort. CC:4
16. [ ] Artemisia ludoviciana Nutt. Silver Wormwood. CC:4
17. [ ] Artemisia ludoviciana Nutt. ssp. ludoviciana. (Syn: A. britonii Rydb. ) White Sagebrush. CC:4
18. Tribe: Astereae
19. SubTribe: Chrysopsidinae
20. [ ] 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
21. SubTribe: Conyzinae
22. [ ] Erigeron divergens Torr. & A. Gray. Spreading Fleabane. CC:4
23. [ ] Erigeron tracyi Greene. (Syn: E. cinereus A. Gray , E. colomexicanus A. Nelson , E. divergens Torrey & A. Gray var. cinereus A. Gray ) Running Fleabane. CC:6
24. SubTribe: Gutiereziinae
25. [ ] Gutierrezia sarothrae (Pursh) Britton & Rusby. (Syn: G. linearifolia Lag. ) Broom Snakeweed. CC:3
26. SubTribe: Machaerantherinae
27. [ ] Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. (Syn: Machaeranthera pinnatifida (Hook.) Shinners ) Spiny Goldenweed. CC:4
28. SubTribe: Pentachaetinae
29. [ ] Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird var. graveolens (Nutt.) Reveal & Schuyler. (Syn: E. n. (Pall. ex Pursh) G.L.Nesom & G.I.Baird var. glabrata (Gray) G.L. Nesom & Baird ) Goldy-Locks. CC:3
30. SubTribe: Solidagininae
31. [ ] Solidago missouriensis Nutt. Missouri Goldenrod. CC:5
32. [ ] Solidago nana Nutt. Baby Goldenrod. CC:6
33. SubTribe: Symphyotrichinae
34. [ ] Symphyotrichum ericoides (Linnaeus) G. L. Nesom. (Syn: Virgulus ericoides (Linnaeus) Reveal & Keener ) White Heath Aster. CC:4
35. [ ] Symphyotrichum falcatum (Lindl.) G.L. Nesom. (Syn: Aster falcatus Lindl. ) White Prairie Aster. CC:4
36. [ ] Symphyotrichum porteri (A. Gray) G.L. Nesom. (Syn: Aster porteri A. Gray ) Smooth White Aster. CC:6
37. Tribe: Bahieae
38. [ ] Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B.L. Turner. Many-Headed Fine-Leaved Wooly-White. CC:5
39. Tribe: Cardueae
40. SubTribe: Carduinae
41. [ ] Carduus nutans L. (Syn: Carduus nutans L. ssp. macrolepis (Peterman) Kazmi ) Nodding Plumeless Thistle. CC:0 Weed: CO DofA, List: B.
42. [ ] Cirsium arvense (L.) Scop. (Syn: Breea arvensis (L.) Lessing ) Canada Thistle. CC:0 Weed: CO DofA, List: B.
43. [ ] Cirsium undulatum (Nutt.) Spreng. Wavy Leaved Thistle. CC:5
44. SubTribe: Centaureinae
45. [ ] Centaurea diffusa Lam. (Syn: Acosta diffusa (Lam.) Soja' k ) Diffuse Knapweed. CC:0 Weed: CO DofA, List: B.
46. Tribe: Cichorieae
47. SubTribe: Crepidinae
48. [ ] Crepis occidentalis Nutt. (Syn: Psilochenia occidentalis (Nutt.) Nutt. ) Largeflower Hawksbeard. CC:6
49. [ ] Taraxacum officinale F. H. Wigg. (Syn: T. laevigatum (Willd.) DC. ) Common Dandelion. CC:0
50. SubTribe: Lactucinae
51. [ ] Lactuca serriola L. Prickly Lettuce. CC:0
52. SubTribe: Microseridinae
53. [ ] Nothocalais cuspidata (Pursh) Greene. Prairie False Dandelion. CC:4
54. SubTribe: Scorzonerinae
55. [ ] Scorzonera laciniata L. (Syn: Podospermum laciniatum (L.) De Candolle ) Cutleaf Vipergrass. CC:0
56. [ ] Tragopogon dubius Scop. (Syn: Tragopogon dubius Scop. ssp. major (Jacq.) Vollman ) Yellow Salsify. CC:0
57. Tribe: Coreopsideae
58. [ ] Thelesperma megapotamicum (Spreng.) Kuntze. Hopi Tea Greenthread. CC:5
59. Tribe: Eupatorieae
60. [ ] Brickellia eupatorioides (L.) Shinners. False Boneset. CC:6
61. [ ] Liatris punctata Hook. Dotted Blazing Star. CC:6
62. Tribe: Helenieae
63. SubTribe: Gaillardiinae
64. [ ] Gaillardia aristata Pursh. Blanketflower. CC:4
65. Tribe: Heliantheae
66. SubTribe: Ambrosiinae
67. [ ] Ambrosia psilostachya DC. Western Ragweed. CC:3
68. SubTribe: Helianthinae
69. [ ] Helianthus pumilus Nutt. Little Sunflower. CC:4
70. SubTribe: Rudbeckiinae
71. [ ] Ratibida columnifera (Nutt.) Woot. & Standl. (Syn: Rudbeckia columnifera Nutt. ) Upright Prairie Coneflower. CC:4
72. Tribe: Senecioneae
73. [ ] Packera fendleri (A. Gray) W.A. Weber & Á. Löve. (Syn: Senecio fendleri A. Gray ) Fendler’s Ragwort. CC:4
74. [ ] Packera tridenticulata (Rydb.) W.A. Weber & Á. Löve. (Syn: Senecio tridenticulatus Rydb. ) (=Packera thurberi (A. Gray) B. L. Turner) Three-Tooth Ragwort. CC:7
75. [ ] Senecio integerrimus Nutt. Columbia Ragwort. CC:5
76. [ ] Senecio spartioides Torr. & A. Gray. (Syn: S. multicapitatus Greenm. ex Rydb. ) Broomlike Ragwort. CC:5
78. [ ] Lithospermum incisum Lehm. Narrowleaf Stoneseed. CC:5
79. [ ] Mertensia lanceolata (Pursh) DC. Prairie Bluebells. CC:6
80. [ ] Oreocarya virgata (Porter) Greene. (Syn: Cryptantha virgata (Porter) Payson ) Miner"s Candle. CC:5
82. [ ] Alyssum simplex Rudolphi. (Syn: A. campestre (L.) L. var. simplex (Rudolphi) Willd. , A. minus Rothm. , A. parviflorum Fisch. ex M.Bieb. ) European Madwort. CC:0
83. [ ] Camelina microcarpa Andrz. ex DC. Little-Podded False Flax. CC:0
84. [ ] Chorispora tenella (Pall.) DC. Crossflower. CC:0
85. [ ] Physaria montana (A. Gray) Greene. (Syn: Lesquerella montana (A. Gray) S. Watson ) Mountain Bladderpod. CC:5
86. [ ] Sisymbrium altissimum L. Tall Tumblemustard. CC:0
87. [ ] Thlaspi arvense L. Field Penny Cress. CC:0
89. [ ] Echinocereus viridiflorus Engelm. (Syn: Echinocereus chloranthus (Engelm.) J.N.Haage , Echinocereus viridiflorus Engelm. var. chloranthus (Engelm.) Backeb. ) Nylon Hedgehog Cactus. CC:6
90. [ ] Escobaria missouriensis (Sweet) D.R.Hunt. (Syn: Coryphantha missouriensis (Sweet) Britton & Rose ) Missouri Foxtail Cactus. CC:7
91. [ ] Escobaria vivipara (Nutt.) Buxb. (Syn: Coryphantha vivipara (Nutt.) Britton & Rose , Escobaria vivipara (Nutt.) Buxb. var. deserti (Engelm.) D. R. Hunt , Escobaria vivipara (Nutt.) Buxb. var. rosea (Clokey) D. R. Hunt ) Beehive Cactus. CC:6
92. [ ] Opuntia macrorhiza Engelm. Western Pricklypear. CC:3
93. [ ] Opuntia polyacantha Haw. Plains Pricklypear. CC:5
95. [ ] Campanula glomerata L. Dane's Blood. CC:0
97. [ ] Celtis reticulata Torr. (Syn: Celtis laevigata Willd. var. reticulata L. D. Benson ) Net-Leaved Hackberry. CC:6
99. [ ] Lonicera tatarica L. Tatarian Honeysuckle. CC:0
101. [ ] Cerastium arvense L. ssp. strictum Gaudin. (Syn: Cerastium strictum L ) Field Chickweed. CC:5
102. [ ] Gypsophila paniculata L. (Syn: G. paniculata L. var. p. ) Baby's Breath. CC:0 Weed: CO DofA, List: Watch.
103. [ ] Saponaria officinalis L. Bouncingbet. CC:0 Weed: CO DofA, List: B.
104. [ ] Stellaria media (L.) Vill. (Syn: Alsine media L. ) Common Chickweed. CC:0
106. [ ] Chenopodium album L. Lambsquarters. CC:0
108. [ ] Convolvulus arvensis L. Field Bindweed. CC:0 Weed: CO DofA, List: C.
109. [ ] Evolvulus nuttallianus Roem. & Schult. (Syn: E. argenteus Pursh [illeg.] , E. pilosus Nutt. ) Shaggy Dwarf Morning Glory. CC:6
111. [ ] Elaeagnus angustifolia L. Russian Olive. CC:0 Weed: CO DofA, List: B.
113. [ ] Euphorbia marginata Pursh. (Syn: Agaloma marginata (Pursh) A. Löve & D. Löve ) Snow on the Mountain. CC:1
114. [ ] Euphorbia myrsinites L. (Syn: Tithymalus myrsinites (L.) Hill ) Myrtle Spurge. CC:0 Weed: CO DofA, List: A.
116. [ ] Astragalus . Milkvetch. *
117. [ ] Astragalus agrestis Douglas ex G. Don. Purple Milkvetch. CC:6
118. [ ] Astragalus crassicarpus Nutt. Groundplum Milkvetch. CC:6
119. [ ] Astragalus drummondii Dougl. ex Hook. Drummond's Milkvetch. CC:6
120. [ ] Astragalus flexuosus G. Don. Flexible Milkvetch. CC:6
121. [ ] Colutea arborescens L. Bladder Senna. CC:0
122. [ ] Medicago sativa L. Alfalfa. CC:0
123. [ ] Melilotus officinalis (L.) Lam. Yellow Sweet Clover. CC:0
124. [ ] Oxytropis lambertii Pursh. Purple Locoweed. CC:5
125. [ ] Pediomelum tenuiflorum (Pursh) A. N. Egan. (Syn: Psoralea tenuiflora Pursh , Psoralidium tenuiflorum (Pursh) Rydb. ) Slimflower Scurfpea. CC:5
127. [ ] Erodium cicutarium (L.) L'Her. ex Aiton. Hemlock-leav'd Crane's-bill. CC:0 Weed: CO DofA, List: C.
129. [ ] Ribes cereum Douglas. Wax Currant. CC:6
131. [ ] Lamium amplexicaule L. Henbit. CC:0
132. [ ] Marrubium vulgare L. Horehound. CC:0
133. [ ] Scutellaria brittonii Porter. Britton's Skullcap. CC:6
135. [ ] Linum lewisii Pursh. (Syn: Adenolinum lewisii (Pursh) A. Löve & D. Löve ) Prairie Blue Flax. CC:4
137. [ ] Mentzelia nuda (Pursh) Torr. & A. Gray. (Syn: Nuttallia nuda (Pursh) Greene ) Bractless Blazing Star. CC:4
139. [ ] Malva neglecta Wallr. Common Mallow. CC:0
140. [ ] Sphaeralcea coccinea (Nutt.) Rydb. Cowboy's Delight. CC:4
142. [ ] Mirabilis linearis (Pursh) Heimerl. (Syn: Oxybaphus linearis (Pursh) B. L. Robinson ) Narrowleaf Four O'Clock. CC:5
144. [ ] Oenothera coronopifolia Torr. & A. Gray. Crownleaf Evening Primrose. Hierba de San Juan.. CC:4
145. [ ] Oenothera suffrutescens (Ser.) W. L. Wagner & Hoch. (Syn: Gaura coccinea Pursh , Gaura glabra Lehm. ) Linda Tarde. CC:5
147. [ ] Castilleja integra A. Gray. Wholeleaf Indian Paintbrush. CC:6
148. [ ] Orobanche fasciculata Nutt. (Syn: Aphyllon fasciculatum (Nutt.) Torr. & A. Gray ) Clustered Broomrape. CC:5
150. [ ] 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.
151. [ ] Penstemon secundiflorus Benth. Sidebells Penstemon. CC:6
152. [ ] Penstemon virens Pennell ex Rydb. Front Range Beardtongue. CC:7
154. [ ] Eriogonum alatum Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers. 168, plate 8. 1853. (Syn: Pterogonum alatum (Torr.) Gross ) Winged Buckwheat. CC:5
155. [ ] Eriogonum arcuatum Greene, Pittonia. 4: 319. 1901. var. arcuatum. (Syn: E. bakeri Greene , E. jamesii Benth var. flavescens S. Watson ) Baker's Buckwheat. CC:6
156. [ ] Eriogonum effusum Nuttall, Proc. Acad. Nat. Sci. Philadelphia. 4: 15. 1848. Spreading Buckwheat. CC:5
157. [ ] Rumex crispus L. Curley Dock. CC:0
159. [ ] Delphinium carolinianum Walter ssp. virescens (Nutt.) R.E. Brooks. (Syn: D. carolinianum Walter ssp. penardii (Huth) L. M. Perry , Delphinium virescens Nutt. ) Plains Larkspur. CC:5
161. Tribe: Amygdaloideae
162. SubTribe: Amygdaleae
163. [ ] Prunus pensylvanica L. f. (Syn: Cerasus pensylvanica (L. f.) Loiseleur ) Pin Cherry. CC:6
164. [ ] Prunus virginiana L. Chokecherry. CC:4
165. Tribe: Rosoideae
166. SubTribe: Roseae
167. [ ] Rosa arkansana Porter. Prairie Rose. CC:5
169. [ ] Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl. (Syn: Comandra umbellata (L.) Nutt. var. pallida (A. DC.) M. E. Jones ) Pale Bastard Toadflax. CC:5
171. [ ] Verbascum thapsus L. Common Mullein. CC:0 Weed: CO DofA, List: C.
173. [ ] Viola nuttallii Pursh. Nuttall's Violet. CC:5
175. [ ] Parthenocissus vitacea (Knerr) Hitchcock. Woodbine, thicket creeper. CC:3
177. [ ] Narcissus L. Horticultural Daffodil. *
179. Tribe: Agavoideae
180. [ ] Leucocrinum montanum Nutt. ex A. Gray. Star Lily. CC:6
181. SubTribe: Agaveae
182. [ ] Yucca glauca Nutt. Soapweed Yucca. CC:4
183. Tribe: Scilloideae
184. SubTribe: Hyacintheae
185. [ ] Muscari botryoides (L.) Mill. Common Grape Hyacinth. CC:0
187. [ ] Tradescantia occidentalis (Britton) Smyth. Prairie Spiderwort. CC:5
189. [ ] Carex inops L. H. Bailey ssp. heliophila (Mack.) Crins. (Syn: C. pensylvanica Lam. ssp. heliophila (Mack.) W. A. Weber ) Sun Sedge. CC:7
191. [ ] Iris L. Horticultural Iris. CC:0
193. [ ] . Grass Family. *
194. Tribe: Andropogoneae
195. [ ] Andropogon gerardii Vitman. Big Bluestem. CC:9
196. [ ] Schizachyrium scoparium (Michx.) Nash. Little Bluestem. CC:5
197. Tribe: Aristideae
198. [ ] Aristida purpurea Nutt. var. longiseta (Steud.) Vasey. (Syn: Aristida longiseta Steud. ) Purple Threeawn. CC:4
199. Tribe: Aveneae
200. [ ] Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass. CC:6
201. Tribe: Bromeae
202. [ ] Bromus carinatus Hook. & Arn. (Syn: Ceratochloa carinata (Hook. & Arn.) Tutin ) California Brome. CC:4
203. [ ] Bromus inermis Leyss. (Syn: B. inermis Leyss. ssp. inermis ) Smooth Brome. CC:0
204. [ ] Bromus japonicus Thunb. Japanese Cheat Grass. CC:0
205. [ ] Bromus tectorum L. (Syn: B. tectorum L. var. glabratus Spenn. ) Cheat Grass. CC:0 Weed: CO DofA, List: C.
206. Tribe: Cynodonteae
207. [ ] Bouteloua dactyloides (Nutt.) J.T. Columbus. (Syn: Buchloe dactyloides (Nutt.) Engelm. ) Buffalo Grass. CC:4
208. [ ] Bouteloua gracilis (Kunth) Lag. ex Griffiths. (Syn: Chondrosum gracile Kunth ) Blue Grama. CC:4
209. Tribe: Eragrostideae
210. [ ] Sporobolus cryptandrus (Torr.) A. Gray. (Syn: Agrostis cryptandra Torr. ) Sand Drop-seed. CC:2
211. Tribe: Poeae
212. [ ] Dactylis glomerata L. Orchard Grass. CC:0
213. [ ] Festuca idahoensis Elmer. Idaho Fescue. CC:7
214. [ ] Festuca saximontana Rydb. (Syn: F. saximontana Rydb. var. purpusiana (St.-Yves) Fred. & Pavlick ) Rocky Mountain Fescue. *
215. [ ] Poa pratensis L. (Syn: P. agassizensis B. Boivin & D. Löve ) Kentucky Bluegrass. CC:0
216. [ ] Poa secunda J. Presl. (Syn: P. nevadensis Vasey ex Scribn. ) Sandberg Bluegrass.. CC:6
217. [ ] Vulpia octoflora (Walt.) Rydb. (Syn: Festuca octoflora Walter , Vulpia octoflora (Walt.) Rydb. var. octoflora ) Six Weeks Fescue. CC:3
218. Tribe: Stipeae
219. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth. (Syn: Stipa comata Trin. & Rupr. ) Needle and Thread. CC:6
220. [ ] Nassella viridula (Trin.) Barkworth. (Syn: Stipa viridula Trin. ) Green Needlegrass. CC:4
221. Tribe: Triticeae
222. [ ] Aegilops cylindrica Host. (Syn: Cylindropyrum cylindricum (Host) Á.Löve ) Jointed Goat Grass. CC:0 Weed: CO DofA, List: B.
223. [ ] Agropyron cristatum (L.) Gaertn. Crested Wheat Grass. CC:0
224. [ ] Elymus canadensis L. Canadian Wildrye. CC:4
225. [ ] Elymus elymoides (Raf.) Swezey. (Syn: E. longifolius (J. G. Sm.) Gould , Sitanion hystrix (Nutt.) J. G. Sm. ) Squirreltail Grass. CC:4
226. [ ] Thinopyrum intermedium (Host) Barkworth & D.R. Dewey. (Syn: Elytrigia intermedia (Host) Nevski , Elymus hispidus (Opiz) Melderis ) Intermediate Wheatgrass. CC:0
227. [ ] Triticum aestivum L. Wheat. CC:0
| Total number of taxa: | 141 |
| Native Taxa: (serif, italic, bold) | 93 |
| Exotic Taxa: (sans-serif, italic) | 45 |
| Nativity Undetermined: (default font, italic) | 3 |
| Listed Weeds: Identified as Weed | 13 |
| FQA, CC, n=137, Mean C: 3.4, FQI = 39.6 |
Locations Included in This Area
If you have a question or a comment you may write to me at: . I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.
Date and time this article was prepared: 4/24/2026 5:27:34 PM