Taxon Report
Wyethia longicaulis GrayHumboldt County wyethia |
 ©2004 Dean Wm. Taylor |
Taxon Summary
Wyethia longicaulis, commonly known as Humboldt County wyethia, is a perennial herb in the Asteraceae that is found only in California. It occurs within Broadleafed upland forest, Coastal prairie, and Lower montane coniferous forest, growing at elevations from 750 to 1525 meters. Wyethia longicaulis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.Classification
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Scientific Name: |
Wyethia longicaulis Gray |
|
Common Name: |
Humboldt County wyethia |
| Family: | Asteraceae |
| Element Code: | PDAST9X0A0 |
| USDA Plants Symbol: | WYLO |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 750-1525 (2460-5005) |
| General Habitats: | Broadleafed upland forest, Coastal prairie, Lower montane coniferous forest |
| Microhabitat: | Roadsides (sometimes) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G4 |
|
State Rank: |
S4 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Humboldt (HUM), Mendocino (MEN) | |
| Quads: Name (Quad Code) | |
| Board Camp Mtn. (4012366), Grouse Mtn. (4012376), Larabee Valley (4012346), Longvale (3912354), Mad River Buttes (4012367), Willits (3912343) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
| Wyethia longicaulis profile for potential Species of Conservation Concern evaluation (2019) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 18 November 2025].