Taxon Details
Pseudobahia peirsonii
San Joaquin adobe sunburst
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Taxon Summary:
Pseudobahia peirsonii, commonly known as San Joaquin adobe sunburst, is a annual herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 90 to 800 meters. Pseudobahia peirsonii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Pseudobahia peirsonii Munz |
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Common Name: San Joaquin adobe sunburst |
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| Family: | Asteraceae | |
| Element Code: | PDAST7P030 | |
| USDA Plants Symbol: | PSPE | |
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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: | 1B.1 |
| Fed List: | FT (1997-02-06) |
| State List: | CE (1987-01-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-06-08 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Feb-Apr
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Elevation:
90 - 800 meters 295 - 2625 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: More than half of known occurrences are very small. Seriously threatened by agriculture, grazing, development, non-native plants, road construction and maintenance, and flood control activities. Possibly threatened by road maintenance. See Aliso 2:84 (1949) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 16 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 48 | 94 % |
| THREAT LIST: | ||
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| Grazing | 34 | 66% |
| Agriculture | 21 | 41% |
| Non-native plant impacts | 15 | 29% |
| Development | 14 | 27% |
| Road/trail construction/maint. | 13 | 25% |
| Foot traffic/trampling | 8 | 15% |
| Other | 7 | 13% |
| Disking | 7 | 13% |
| Erosion/runoff | 7 | 13% |
| Biocides | 5 | 9% |
| Mining | 4 | 7% |
| Dam/Inundation | 3 | 5% |
| Recreational use (non-ORV) | 3 | 5% |
| ORV activity | 1 | 1% |
| Surface water diversion | 1 | 1% |
| Altered flood/tidal/hydrologic regime | 1 | 1% |
| Total Occurrences: | 51 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 11 | 13 | 9 | 10 | 7 |
| Occurrence Status: | |||||
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| Historical >20 Years | 27 | ||||
| Recent <=20 Years | 24 | ||||
| Presence: | |||||
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| Presumed Extant | 41 | ||||
| Possibly Extirpated | 2 | ||||
| Presumed Extirpated | 8 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Fresno (FRE), Kern (KRN), Tulare (TUL) |
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Quads: Name (Quad Code) Chickencoop Canyon (3611838), Ducor (3511981)*, Fountain Springs (3511888), Frazier Valley (3611828), Lindsay (3611921)*, Oiler Peak (3511835), Orange Cove South (3611953), Pine Mountain (3511857), Porterville (3611911), Quincy School (3511878), Reedley (3611954)*, Richgrove (3511971), Rio Bravo Ranch (3511847), Rocky Hill (3611931)*, Round Mountain (3611975), Sand Canyon (3511868), Stokes Mtn. (3611952), Success Dam (3611818), Tejon Hills (3511817), Tejon Ranch (3511816), Tulare (3611923)*, Wahtoke (3611964), White River (3511877), Woodlake (3611941), Woody (3511867)* |
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Notes:
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Presumed Extant
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