Taxon Details
Plagiobothrys glaber
hairless popcornflower
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Taxon Summary:
Plagiobothrys glaber, commonly known as hairless popcornflower, is a annual herb in the Boraginaceae that is found only in California. It occurs within Marshes and swamps (coastal salt), and Meadows and seeps (alkaline), growing at elevations from 15 to 180 meters. Plagiobothrys glaber is ranked 1A, Plants Presumed Extirpated in California and Either Rare or Extinct Elsewhere.|
Scientific Name: Plagiobothrys glaber (Gray) Jtn. |
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Common Name: hairless popcornflower |
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| Family: | Boraginaceae | |
| Element Code: | PDBOR0V0B0 | |
| USDA Plants Symbol: | PLGL | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1A |
| Fed List: | None |
| State List: | None |
| Global Rank: | GX |
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State Rank: |
SX |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
15 - 180 meters 50 - 590 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: 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. See Proceedings of the American Academy of Arts and Sciences 17:227 (1882) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 9 | 100 % |
| THREAT LIST: | ||
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| Development | 8 | 88% |
| Agriculture | 1 | 11% |
| Total Occurrences: | 9 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 9 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 9 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 0 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 9 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Alameda (ALA)*, Marin (MRN)*, San Benito (SBT)*, Santa Clara (SCL)* |
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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)* |
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Notes:
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Presumed Extant
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