Taxon Report
Streptanthus glandulosus Hook. ssp. pulchellus (Greene) KruckebergMt. Tamalpais bristly jewelflower |
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Classification
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Scientific Name: |
Streptanthus glandulosus Hook. ssp. pulchellus (Greene) Kruckeberg |
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Common Name: |
Mt. Tamalpais bristly jewelflower |
| Family: | Brassicaceae |
| Element Code: | PDBRA2G0J2 |
| USDA Plants Symbol: | STGLP |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jul(Aug) | May-Jul(Aug) |
| Elevation: | 150-800 (490-2625) |
| General Habitats: | Chaparral, Valley and foothill grassland |
| Microhabitat: | Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G4T2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 24 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 5 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 15 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Marin (MRN) | |
| Quads: Name (Quad Code) | |
| Bolinas (3712286), Inverness (3812217), Novato (3812215), San Geronimo (3812216), San Rafael (3712285) | |
Threat List Data from the CNDDB
| Threat List Total: | 9 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 11 | 46 % | |
| Non-native plant impacts | 6 | 25% |
| Grazing | 3 | 12% |
| Foot traffic/trampling | 2 | 8% |
| Other | 2 | 8% |
| Recreational use (non-ORV) | 1 | 4% |
| Road/trail construction/maint. | 1 | 4% |
| Wood cutting or brush clearing | 1 | 4% |
| Dam/Inundation | 1 | 4% |
| Erosion/runoff | 1 | 4% |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].