Taxon Report
Hesperolinon sharsmithiae R. O’DonnellSharsmith's western flax |
 © 2017 Aaron Arthur |
Classification
|
Scientific Name: |
Hesperolinon sharsmithiae R. O’Donnell |
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Common Name: |
Sharsmith's western flax |
| Family: | Linaceae |
| Element Code: | PDLIN010E0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 270-300 (885-985) |
| General Habitats: | Chaparral |
| Microhabitat: | Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2Q |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_UCSC |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 32 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 8 |
| Fair (C) | 4 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 17 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Napa (NAP) | |
| Quads: Name (Quad Code) | |
| Aetna Springs (3812264), Capell Valley (3812242), Chiles Valley (3812253), Detert Reservoir (3812265), Jericho Valley (3812274), Lower Lake (3812285), Middletown (3812275), St. Helena (3812254), Walter Springs (3812263), Yountville (3812243) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 10 | 31 % | |
| Agriculture | 6 | 18% |
| Development | 3 | 9% |
| Grazing | 1 | 3% |
| Non-native plant impacts | 1 | 3% |
| Other | 1 | 3% |
| Recreational use (non-ORV) | 1 | 3% |
| Wood cutting or brush clearing | 1 | 3% |
| Dam/Inundation | 1 | 3% |
Notes
| Threatened by development. Includes plants previously identified as H. tehamense and H. serpentinum ined. Similar to H. bicarpellatum, H. clevelandii, H. disjunctum, and H. tehamense. Not in TJM 2. See Madroño 53(4):404-408 (2006) for original description and The Four Seasons 13(4):1-54 (2010) for additional taxonomic information. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2012-12-14 |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].