Taxon Report
Plagiobothrys mollis (Gray) Jtn. var. vestitus (Greene) Jtn.Petaluma popcornflower |
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Taxon Summary
Plagiobothrys mollis var. vestitus, commonly known as Petaluma popcornflower, is a perennial herb in the Boraginaceae that is found only in California. It occurs within Marshes and swamps (coastal salt), and Valley and foothill grassland (mesic), growing at elevations from 10 to 50 meters. Plagiobothrys mollis var. vestitus is ranked 1A, Plants Presumed Extirpated in California and Either Rare or Extinct Elsewhere.Classification
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Scientific Name: |
Plagiobothrys mollis (Gray) Jtn. var. vestitus (Greene) Jtn. |
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Common Name: |
Petaluma popcornflower |
| Family: | Boraginaceae |
| Element Code: | PDBOR0V0Q2 |
| USDA Plants Symbol: | PLMOV |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Jul | Jun-Jul |
| Elevation: | 10-50 (35-165) |
| General Habitats: | Marshes and swamps, Valley and foothill grassland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1A |
| Global Rank: | G4?TX |
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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: | 1 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Sonoma (SON)* | |
| Quads: Name (Quad Code) | |
| Petaluma (3812226)*, Petaluma River (3812225) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 100 % | |
| Agriculture | 1 | 100% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 October 2025].