Taxon Report
Plagiobothrys glaber (Gray) Jtn.hairless popcornflower |
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Classification
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Scientific Name: |
Plagiobothrys glaber (Gray) Jtn. |
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Common Name: |
hairless popcornflower |
| Family: | Boraginaceae |
| Element Code: | PDBOR0V0B0 |
| USDA Plants Symbol: | PLGL |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-May | Mar-May |
| Elevation: | 15-180 (50-590) |
| General Habitats: | Marshes and swamps, Meadows and seeps |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1A |
| Global Rank: | GX |
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State Rank: |
SX |
| 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: | 9 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 9 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Alameda (ALA)*, Marin (MRN)*, San Benito (SBT)*, Santa Clara (SCL)* | |
| Quads: Name (Quad Code) | |
| Altamont (3712166)*, Hayward (3712261)*, Livermore (3712167), Los Gatos (3712128)*, Newark (3712251)*, Point Bonita (3712275), San Felipe (3612184)*, San Francisco North (3712274), San Jose East (3712137)*, San Jose West (3712138)*, San Quentin (3712284), San Rafael (3712285)* | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 100 % | |
| Development | 8 | 88% |
| Agriculture | 1 | 11% |
Notes
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Last confirmed sighting in 1954. Possibly relocated near Antioch; identification uncertain. All collections since 1930's located in the Hollister area; plant should also be looked for there. Possibly a variety of P. stipitatus |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].