Species Details
Hesperolinon tehamense
Tehama County western flax
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© 2018 John Doyen |
© 2021 Evan D. MacKinnon |
© 2018 John Doyen |
Species Description:
Hesperolinon tehamense, commonly known as Tehama County western flax, is a annual herb in the Linaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 100 to 1250 meters. Hesperolinon tehamense is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Hesperolinon tehamense H.K. Sharsm. |
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Common Name: Tehama County western flax |
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| Family: | Linaceae | |
| Element Code: | PDLIN010C0 | |
| USDA Plants Symbol: | HETE8 | |
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2022-03-01 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: May-Jul
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Elevation:
100 - 1250 meters 330 - 4100 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: |
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Threats: Threatened by vehicles and road maintenance. |
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Taxonomy: Some plants from ALA, LAK, NAP, and STA cos. were previously treated as H. serpentinum ined.; plants from the inner north coast ranges of LAK and NAP cos. are now treated as H. sharsmithiae. Plants from ALA Co. are possibly H. clevelandii; needs further study. Similar to H. sharsmithiae. |
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 8 | 50 % |
| THREAT LIST: | ||
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| Other | 5 | 31% |
| Road/trail construction/maint. | 5 | 31% |
| Non-native plant impacts | 2 | 12% |
| Total Occurrences: | 16 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 1 | 0 | 0 | 0 | 7 |
| Occurrence Status: | |||||
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| Historical >20 Years | 13 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 16 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Glenn (GLE), Tehama (TEH) |
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Quads: Name (Quad Code) Chrome (3912265), Elk Creek (3912255), Felkner Hill (3912256), Hall Ridge (3912276), Newville (3912275), Paskenta (3912285), Raglin Ridge (4012216), Riley Ridge (3912286) |
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Notes:
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Presumed Extant
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