Plant Check List for County, Lake 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 County, Lake County, United States.
2. [ ] Cystopteris fragilis (L.) Bernh. Brittle Bladderfern. CC:9 Brumley
4. Tribe: Oenantheae
5. [ ] Oxypolis fendleri (A. Gray) Heller. Fendler's Cowbane. * Brumley UG1
6. Tribe: Selineae
7. [ ] Cymopterus lemmonii (J. M. Coult. & Rose) Dorn. (Syn: Pseudocymopterus montanus (A. Gray) J. M. Coult. & Rose ) Alpine False Springparsley. CC:6 EvansGl UG1 WTennC
8. [ ] Ligusticum tenuifolium S. Watson, Proc. Amer. Acad. Arts 14: 293 (1879), nom. illeg. (Syn: L. filicinum S. Watson, Proc. Amer. Acad. Arts 11: 140 (1876) var. tenuifolium Mathias & Constance, Bull. Torrey Bot. Club 68: 123 (1941) ) Slender Ligusticum. CC:8 Brumley
10. Tribe: Anthemideae
11. SubTribe: Artemisiinae
12. [ ] Artemisia groenlandica Horenm. in Oeder & al. Fl. Dan. 9(27): 6, t. 1585 (1818). (Syn: A. borealis Pall. ssp. borealis , A. campestris L. var. purshii (Besser ex Hook.) Cronquist ) * WTennC
13. [ ] Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Beetle. Mountain Big Sagebrush. * UG1
14. SubTribe: Matricariinae
15. [ ] Achillea millefolium L. (Syn: A. lanulosa Nutt. , A. m. L. var. alpicola (Rydb.) Garrett , A. m. L. var. lanulosa (Nutt.) Piper , A. m. L. var. occidentalis DC. ) Common Yarrow. CC:4 Brumley Mdw3099 UG1
16. Tribe: Astereae
17. SubTribe: Chrysopsidinae
18. [ ] Heterotheca pumila (Greene) Semple. Alpine False Goldenaster. * ChalkCk WTennC
19. SubTribe: Conyzinae
20. [ ] Erigeron . Fleabane. * Brumley
21. [ ] Erigeron glacialis (Nutt.) A. Nelson. Glacial Daisy. * LilyLk NFWTennC
22. [ ] Erigeron subtrinervis Rydb. ex Porter & Britton. Threenerve Daisy. CC:5 ChalkCk UG1
23. [ ] Erigeron ursinus D. C. Eaton. Bear River Fleabane. CC:7 Mdw3099
24. SubTribe: Pentachaetinae
25. [ ] Ericameria parryi (A. Gray) G. L. Nesom & G. I. Baird var. parryi. Parry's Rabbitbrush. CC:4 UG1
26. SubTribe: Solidagininae
27. [ ] Oreochrysum parryi (A. Gray) Rydb. Goldenrod. CC:8 Brumley
28. [ ] Solidago missouriensis Nutt. Missouri Goldenrod. CC:5 NFWTennC
29. [ ] Solidago multiradiata Aiton. Rocky Mountain Goldenrod. * Brumley NFWTennC
30. [ ] Solidago simplex Kunth. Sticky Goldenrod. CC:6 Brumley
31. SubTribe: Symphyotrichinae
32. [ ] Symphyotrichum foliaceum (DC.) G. L. Nesom var. apricum (A. Gray) G. L. Nesom. Parry's Aster. CC:5 Brumley EvansGl
33. [ ] Symphyotrichum foliaceum (DC.) G. L. Nesom var. parryi (D. C. Eaton) G. L. Nesom. Parry's Aster. CC:5 Brumley
34. Tribe: Cardueae
35. SubTribe: Carduinae
36. [ ] Cirsium parryi (A. Gray) Petr. Parry's Thistle. CC:5 Brumley
37. Tribe: Cichorieae
38. SubTribe: Crepidinae
39. [ ] Taraxacum ceratophorum (Ledeb.) DC. Northern Dandelion. CC:9 Brumley UG1
40. [ ] Taraxacum officinale F. H. Wigg. (Syn: T. laevigatum (Willd.) DC. ) Common Dandelion. CC:0 LilyLk WTennC
41. SubTribe: Microseridinae
42. [ ] Agoseris aurantiaca (Hook.) Greene. Orange-Flower Goat-Chicory. CC:6 Brumley UG1
43. [ ] Agoseris aurantiaca (Hooker) Greene var. aurantica. Orange-Flower Goat-Chicory. CC:6 UG1
44. [ ] Agoseris aurantiaca (Hooker) Greene var. purpurea (A. Gray) Cronquist. Orange-Flower Goat-Chicory. CC:6 WTennC
45. [ ] Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps. (Syn: A. pubescens Rydb. ) Pale Goat-Chicory. CC:7 UG1
46. Tribe: Gnaphalieae
47. [ ] Anaphalis margaritacea (L.) Bentham & Hooker. Western Pearly Everlasting. CC:4 Brumley
48. [ ] Antennaria rosea Greene. Rosy Pussytoes. CC:5 Brumley NFWTennC WTennC
49. Tribe: Heliantheae
50. SubTribe: Enceliinae
51. [ ] Helianthella quinquenervis (Hook.) A. Gray. Five-Nerve Little Sunflower. * ChalkCk UG1
52. Tribe: Madieae
53. SubTribe: Arnicinae
54. [ ] Arnica cordifolia Hook. Heart-Leaf Leopardbane. CC:7 LilyLk
55. [ ] Arnica mollis Hook. Cordilleran Leopardbane. CC:7 NFWTennC
56. [ ] Arnica parryi A. Gray. Nodding Leopardbane. * NFWTennC
57. Tribe: Senecioneae
58. [ ] Packera crocata (Rydb.) W. A. Weber & A. Love. Saffron Ragwort. CC:6 Brumley WTennC
59. [ ] Senecio bigelovii A. Gray var. hallii A. Gray. Hall's Ragwort. CC:7 Brumley
60. [ ] Senecio crassulus A. Gray, Proc. Amer. Acad. Arts. 19: 54. 1883. Mountain Meadow Ragwort. CC:7 Brumley
61. [ ] Senecio integerrimus Nutt. Columbia Ragwort. CC:5 EvansGl
62. [ ] Senecio triangularis Hook. Arrowleaf Ragwort. CC:7 NFWTennC WTennC
64. [ ] Betula glandulosa Michx. Dwarf Birch. CC:9 Brumley
66. [ ] Mertensia ciliata (Torr.) G. Don var. ciliata. Tall Fringed Bluebells. CC:7 Brumley NFWTennC
67. [ ] Phacelia sericea (Graham ex Hook.) A. Gray. Silky Phacelia. CC:6 EvansGl
69. [ ] Boechera grahamii (Lehm.) Windham & Al-Shehbaz. Graham's Rockcress. * WTennC
70. [ ] Boechera stricta (Graham) Al-Shebaz. (Syn: Arabis drummondii A. Gray ) Drummond's Rockcress. * Mdw3099 UG1
71. [ ] Cardamine cordifolia A. Gray. (Syn: C. cardiophylla Rydb. nom. Illeg. ) Heartleaf Bittercress. CC:8 Brumley NFWTennC UG1
72. [ ] Descurainia incisa (Engelm.) Britton ssp. incisa. (Syn: D. incisa (Engelm.) Britton ssp. viscosa Rydb.) G. Mulligan ) Mountain Tansymustard. CC:2 UG1
73. [ ] Descurainia sophia (L.) Webb. Tansy Mustard. CC:0 Mdw3099
74. [ ] Erysimum capitatum (Hook.) Greene. Sanddune Wallflower. CC:5 Brumley
75. [ ] Rorippa alpina (S. Watson) Rydb. Alpine Yellow Cress. CC:4 NFWTennC
77. [ ] Campanula parryi A. Gray. Parry's Bellflower. * Brumley Mdw3099
78. [ ] Campanula rotundifolia L. (=Campanula petiolata A. DC.) Harebell. CC:5 Brumley ChalkCk
80. [ ] Linnaea borealis L. var. longiflora Torr. Twinflower. * LilyLk
81. [ ] Lonicera involucrata (Richardson) Banks ex Spreng. Twinberry Honeysuckle. CC:7 UG1
82. [ ] Valeriana acutiloba Rydb. Sharpleaf Valerian. CC:8 NFWTennC WTennC
83. [ ] Valeriana edulis Nuttall var. edulis. Tobacco Root. * EvansGl
85. [ ] Arenaria lanuginosa (Michx.) Rohrb. var. saxosa (A. Gray) Zarucchi, R. L. Hartman & Rabeler. Spreading Sandwort. * WTennC
86. [ ] Cerastium arvense L. ssp. strictum Gaudin. (Syn: Cerastium strictum L ) Field Chickweed. CC:5 Adalaide
87. [ ] Eremogone fendleri (A. Gray) Ikonnikov. (Syn: Arenaria fendleri A. Gray ) Fendler's Sandwort. CC:6 EvansGl
88. [ ] Silene menziesii Hook. (Syn: S. m. Hook. ssp. dorrii (Kellogg) C. L. Hitchc. & Maguire ) Menzies' Campion. CC:7 NFWTennC
89. [ ] Spergularia rubra (L.) J. Presl & C. Presl. Red Sand Spurry. CC:0 NFWTennC
90. [ ] Stellaria longipes Goldie ssp. longipes. (Syn: S. l. Goldie var. l. ) Longstalk Starwort. * NFWTennC
92. [ ] Rhodiola rhodantha (A. Gray) Jacobsen. Queen's Crown. CC:8 NFWTennC WTennC
94. [ ] Shepherdia canadensis (L.) Nutt. Russet Buffalo-Berry. CC:7 LilyLk NFWTennC WTennC
96. [ ] Arctostaphylos uva-ursi (L.) Sprengel. (Syn: Arctostaphylos uva-ursi (L.) Sprengel ssp. adenotricha (Fernald & J.F.Macbr.) Calder & Roy L.Taylor ) Bearberry. CC:6 LilyLk
97. [ ] Orthilia secunda (L.) House. Sidebells Wintergreen. CC:8 LilyLk
98. [ ] Pyrola asarifolia Michx. (Syn: Pyrola rotundifolia L. ssp. asarifolia (Michx.) A. Löve ) Liverleaf Wintergreen. CC:8 LilyLk
99. [ ] Pyrola chlorantha Sw. Green-Flowered Wintergreen. * NFWTennC
100. [ ] Vaccinium cespitosum Michx. Dwarf Blueberry. CC:7 EvansGl
101. [ ] Vaccinium scoparium Leiberg ex Coville. Grouse Whortleberry. CC:7 LilyLk NFWTennC
103. [ ] Astragalus alpinus L. Alpine Milkvetch. CC:6 Brumley EvansGl Mdw3099 UG1 WTennC
104. [ ] Lupinus argenteus Pursh var. rubricaulis (Greene) S.L. Welsh. Silvery Lupine. CC:7 ChalkCk UG1
105. [ ] Lupinus caespitosus Nutt. var. utahensis (S. Watson) B. J. Cox. (Syn: L. aridus Douglas var. utahensis S. Watson , L. lepidus Douglas ssp. caespitosus (Nuttall) Detling , L. lepidus Douglas ex Lindl. var. utahensis (S. Watson) C. L. Hitchc. ) Utah Lupine. * WTennC
106. [ ] Oxytropis deflexa (Pall.) DC. var. sericea Torr. & A. Gray. Nodding Locoweed. CC:8 UG1
107. [ ] Oxytropis splendens Douglas ex Hook. Showy Locoweed. CC:6 EvansGl
108. [ ] Trifolium parryi A. Gray. Parry's Clover. CC:8 LilyLk
109. [ ] Trifolium repens L. White Clover. CC:0 NFWTennC
110. [ ] Vicia americana Willd. American Vetch. CC:5 Brumley
111. [ ] Vicia americana Willd. var. americana. American Vetch. * Mdw3099 UG1
113. [ ] Frasera speciosa Griseb. (Syn: Swertia radiata (Kellogg) Kuntze ) Elkweed. CC:6 Brumley Lead LilyLk
114. [ ] Gentiana parryi Engelm. (Syn: Pneumonanthe parryi (Engelmann) Greene ) Parry's Gentian. CC:9 Brumley LilyLk WTennC
115. [ ] Swertia perennis L. Felwort. CC:8 Brumley LilyLk NFWTennC
117. [ ] Ribes cereum Douglas. Wax Currant. CC:6 Brumley
119. [ ] Utricularia . * NFWTennC
121. [ ] Linum lewisii Pursh. (Syn: Adenolinum lewisii (Pursh) A. Löve & D. Löve ) Prairie Blue Flax. CC:4 Brumley
122. [ ] Linum perenne L. (Syn: Adenolinum perenne (L.) Rchb. ) Blue Flax. CC:0 UG1
124. [ ] Nuphar polysepala Engelm. Rocky Mountain Pond-Lily. * LilyLk
126. [ ] Chamerion angustifolium (L.) Holub. (Syn: Epilobium a. L , Epilobium angustifolium L var. intermedium ) Fireweed. CC:4 Brumley
127. [ ] Epilobium ciliatum Raf. Fringed Willowherb. CC:4 Brumley NFWTennC
128. [ ] Gayophytum decipiens H. Lewis & Szweyk. Deceptive Groundsmoke. CC:6 NFWTennC
129. [ ] Gayophytum racemosum Torr. & A. Gray. Blackfoot Groundsmoke. CC:5 UG1
130. [ ] Gayophytum ramosissimum Torr. & A. Gray. Pinyon Groundsmoke. CC:6 TennPs
132. [ ] Castilleja miniata Hook. Giant Red Indian Paintbrush. CC:7 EvansGl
133. [ ] Castilleja sulphurea Rydb. Sulphur Indian Paintbrush. CC:7 Brumley EvansGl NFWTennC
134. [ ] Orthocarpus luteus Nutt. Yellow Owls Clover. CC:6 UG1
135. [ ] Pedicularis groenlandica Retz. Elephanthead Lousewort. * Brumley UG1 WTennC
136. [ ] Pedicularis parryi A. Gray. Parry's Lousewort. * UG1
137. [ ] Pedicularis racemosa Douglas ex Benth. ssp. alba Pennell. Sickletop Lousewort. * WTennC
139. [ ] Erythranthe tilingii (Regel) G.L. Nesom. (Syn: Mimulus tilingii Regel ) Tiling's Monkeyflower. * Brumley
141. [ ] Linaria vulgaris Mill. Butter and Eggs. CC:0 Weed: CO DofA, List: B. WTennC
142. [ ] Penstemon hallii A. Gray. Hall's Beardtongue. CC:8 EvansGl
143. [ ] Penstemon procerus Douglas ex Graham var. procerus. Pincushion Beardtongue. CC:6 LilyLk WTennC
144. [ ] Penstemon rydbergii A. Nelson. Rydberg's Penstemon. CC:7 UG1
145. [ ] Penstemon whippleanus A. Gray. Whipples Penstemon. CC:7 Brumley EvansGl LilyLk
147. [ ] Collomia linearis Nutt. Tiny Trumpet. CC:4 Mdw3099 NFWTennC UG1
148. [ ] Leptosiphon nuttallii (Gray) J. M. Porter & L. A. Johnson ssp. nuttallii. (Syn: Gilia nuttallii A Gray , Leptodactylon nuttallii (Gray) Rydb. , Linanthus nuttallii (A. Gray) Greene ex Milliken , Linanthastrum nuttallii (A. Gray) Ewan ) Nuttall's Linanthus. CC:4 ChalkCk EvansGl Mdw3099 UG1 WTennC
149. [ ] Polemonium viscosum Nuttall. Sticky Sky Pilot. CC:8 EvansGl
151. [ ] Bistorta bistortoides (Pursh) Small. (Syn: Polygonum bistortoides Pursh ) CC:7 Adalaide Brumley LilyLk UG1
152. [ ] Bistorta vivipara (L.) Delarbre. Alpine Bistort. * UG1 WTennC
153. [ ] Eriogonum umbellatum Torrey, Ann. Lyceum Nat. Hist. New York. 2: 241. 1827. var. majus Hook. Subalpine Sulphur-Flower Buckwheat. CC:6 Brumley EvansGl NFWTennC UG1 WTennC
154. [ ] Polygonum aviculare L. Prostrate Knotweed. CC:0 NFWTennC
155. [ ] Polygonum douglasii Greene. (Syn: Polygonum majus (Meisner) Piper ) Douglas Knotweed. CC:3 UG1
156. [ ] Polygonum polygaloides Meisn. ssp. kelloggii (Greene) J. C. Hickman. Kellogg's Knotweed. * UG1
157. [ ] Rumex densiflorus Osterhout. Dense-Flower Dock. CC:5 NFWTennC
158. [ ] Rumex utahensis Rech. f. Utah Willow Dock. CC:4 Brumley
160. [ ] Androsace septentrionalis L. (Syn: Androsace septentrionalis L. ssp. subumbellata (A. Nelson) G. T. Robbins ) Pygmyflower Rockjasmine. CC:6 EvansGl NFWTennC UG1
162. [ ] Aconitum columbianum Nutt. Columbian Monkshood. CC:8 Brumley NFWTennC WTennC
163. [ ] Anemone multifida Poir. Pacific Anemone. CC:10 EvansGl
164. [ ] Anemone narcissiflora L. var. zephyra (A. Nelson) B. E. Dutton & Keener. Narcissis Anemone. * Breece
165. [ ] Aquilegia coerulea E. James. Colorado Blue Columbine. CC:8 Brumley UG1
166. [ ] Caltha chionophila Greene. Marsh Marigold. * Brumley WTennC
167. [ ] Caltha leptosepala DC. White Marsh Marigold. * WTennC
168. [ ] Ranunculus cardiophyllus Hook. Showy Buttercup. CC:8 Mdw3099
170. Tribe: Rosoideae
171. SubTribe: Colurieae
172. [ ] Geum macrophyllum Willd. var. perincisum (Rydb.) Raup. Large-leaf Avens. CC:6 Brumley
173. [ ] Geum triflorum Pursh. Old Man's Whiskers. CC:7 Brumley EvansGl Mdw3099 UG1 WTennC
174. SubTribe: Potentilleae
175. [ ] Dasiphora fruticosa (L.) Rydb. (Syn: Potentilla fruticosa L. ) Shrubby Cinquefoil, Golden Hardtack. * NFWTennC UG1
176. [ ] Fragaria virginiana Mill. Virginia Strawberry. CC:5 EvansGl LilyLk NFWTennC
177. [ ] Potentilla glaucophylla Lehm. var. glaucophylla. Blue Leaf Cinquefoil. * Breece
178. [ ] Potentilla gracilis Hook. var. fastigiata (Nutt.) S. Watson. Slender Cinquefoil. CC:5 LilyLk WTennC
179. [ ] Potentilla hippiana Lehm. Wooly Cinquefoil. CC:5 EvansGl
180. [ ] Potentilla hippiana Lehm. var. hippiana. Wooly Cinquefoil. CC:5 UG1
181. [ ] Potentilla hippiana × pulcherrima. Hybrid Potentilla. * FrePs
182. [ ] Potentilla pulcherrima Lehmann. (Syn: P. gracilis Douglas ex Hooker var. pulcherrina (Lehmann) Fernald ) Beautiful Cinquefoil. CC:5 Brumley ChalkCk
184. [ ] Galium boreale L. (Syn: Galium septentrionale Roem. & Schult. ) Bedstraw. CC:6 Brumley
186. [ ] Populus tremuloides Michx. Quaking Aspen. CC:5 UG1
187. [ ] Salix . Willow. * UG1
188. [ ] Salix glauca L. Gray Willow. CC:8 WTennC
190. [ ] Micranthes odontoloma (Piper) A. Heller. Brook Saxifrage. CC:8 LilyLk NFWTennC
192. [ ] Undetermined . * Brumley NFWTennC
194. [ ] Viola adunca Sm. Hooked Spur Violet. CC:6 WTennC
196. [ ] Carex nebrascensis Dewey. Nebraska Sedge. CC:5 LilyLk
197. [ ] Carex occidentalis L. H. Bailey. Western Sedge. CC:7 LilyLk
199. [ ] Juncus mertensianus Bong. Merten's Rush. CC:7 Brumley
200. [ ] Luzula parviflora (Ehrh.) Desv. Small-Flower Wood-Rush. CC:7 NFWTennC
202. [ ] Calochortus gunnisonii S. Watson. Gunnison's Mariposa Lily. CC:7 EvansGl UG1
204. [ ] Anticlea elegans (Pursh) Rydb. (Syn: Zigadenus elegans Pursh ) Mountain Death Camas. CC:6 NFWTennC UG1 WTennC
205. [ ] Veratrum californicum Durand. Helleborine, Corn Lily. * WTennC
207. [ ] Platanthera aquilonis Sheviak. Northern Green Orchid. CC:7 Brumley
209. Tribe: Aveneae
210. [ ] Agrostis scabra Willd. Rough Bentgrass. CC:4 Brumley NFWTennC UG1
211. [ ] Calamagrostis canadensis (Michx.) P. Beauv. Bluejoint. CC:6 NFWTennC
212. [ ] Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass. CC:6 UG1
213. [ ] Phleum alpinum L. Alpine Timothy. CC:6 Brumley WTennC
214. [ ] Trisetum spicatum (L.) K. Richt. Spike Trisetum. CC:7 Brumley
215. Tribe: Bromeae
216. [ ] Bromus ciliatus L. Fringed Brome. CC:5 Brumley
217. [ ] Bromus porteri (J.M. Coult.) Nash. Nodding Brome. CC:5 Brumley
218. [ ] Bromus richardsonii Link. Richardson's Brome. CC:6 NFWTennC
219. Tribe: Danthonieae
220. [ ] Danthonia intermedia Vasey. Timber Oatgrass. CC:8 NFWTennC WTennC
221. Tribe: Poeae
222. [ ] Festuca calligera (Piper) Rydb. Callused Fescue. * EvansGl UG1
223. [ ] Festuca idahoensis Elmer. Idaho Fescue. CC:7 UG1
224. [ ] Festuca thurberi Vasey. Thurber's Fescue. CC:8 UG1
225. Tribe: Stipeae
226. [ ] Eriocoma lettermanii (Vasey) Romansch. (Syn: Achnatherum lettermanii (Vasey) Barkworth ) Letterman's Needlegrass. * Brumley UG1
227. Tribe: Triticeae
228. [ ] Elymus trachycaulus (Link) Gould ex Shinners. Slender Wheatgrass. CC:4 Brumley NFWTennC UG1
| Total number of taxa: | 159 |
| Native Taxa: (serif, italic, bold) | 148 |
| Exotic Taxa: (sans-serif, italic) | 7 |
| Nativity Undetermined: (default font, italic) | 4 |
| Listed Weeds: Identified as Weed | 1 |
| FQA, CC, n=121, Mean C: 5.9, FQI = 64.7 |
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: 10/2/2026 1:01:53 PM