Taxon Report
Lomatium ravenii Math. & Const. var. raveniiRaven's lomatium |
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Taxon Summary
Lomatium ravenii var. ravenii, commonly known as Raven's lomatium, is a perennial herb in the Apiaceae that is found only in California. It occurs within Great Basin scrub, growing at elevations from 1615 to 1775 meters. Lomatium ravenii var. ravenii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Lomatium ravenii Math. & Const. var. ravenii |
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Common Name: |
Raven's lomatium |
| Family: | Apiaceae |
| Element Code: | PDAPI1B1L2 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 1615-1775 (5300-5825) |
| General Habitats: | Great Basin scrub |
| Microhabitat: | Adobe, Alkaline, Clay, Loam |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G4T2 |
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State Rank: |
S2 |
| 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: | 14 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 13 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lassen (LAS) | |
| Quads: Name (Quad Code) | |
| Hole In The Ground (4011978), Mixie Flat (4011968), Al Shinn Canyon (4012061), Buckhorn Canyon (4012071), Juniper Ridge (4012083), McDonald Peak (4012084), Ravendale (4012073), Termo (4012074) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 36 % | |
| Other | 5 | 35% |
Notes
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Previously included at the species level as L. ravenii. Distinguished from var. paiutense in having linear to linear-oblong ultimate leaf segments, leaves that are generally more than three and a half times longer than wide, moderately hirtellous to glabrous, with generally persistent leaf bases, and known only from the vicinity of Ravendale, CA. |
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Threats: |
| Possibly threatened by grazing and pipeline construction. |
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Taxonomy: |
| See Bulletin of the Torrey Botanical Club 86(6):379 (1959) for original description, and Aliso 29(2):105-114 (2011) for taxonomic treatment. |
Selected References
| CRPR List Change on 2018-02-07 |
Citation
California Native Plant Society, Rare Plant Program. 2026. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 January 2026].