Taxon Details
Pentachaeta bellidiflora
white-rayed pentachaeta
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Taxon Summary:
Pentachaeta bellidiflora, commonly known as white-rayed pentachaeta, is a annual herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland (often serpentinite), growing at elevations from 35 to 620 meters. Pentachaeta bellidiflora is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Pentachaeta bellidiflora Greene |
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Common Name: white-rayed pentachaeta |
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| Family: | Asteraceae | |
| Element Code: | PDAST6X030 | |
| USDA Plants Symbol: | PEBE | |
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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: | FE (1995-02-03) |
| State List: | CE (1992-06-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
35 - 620 meters 115 - 2035 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Historical occurrences lost to development. MNT Co. occurrence once attributed to this species is actually P. exilis var. aeolica. See Bulletin of the California Academy of Sciences 1:86 (1885) for original description, and University of California Publications in Botany 65:1-41 (1973) for taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 21 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 1 | 7% |
| ORV activity | 1 | 7% |
| Other | 1 | 7% |
| Recreational use (non-ORV) | 1 | 7% |
| Vandalism/dumping/litter | 1 | 7% |
| Total Occurrences: | 14 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 0 | 0 | 0 | 10 | 3 |
| Occurrence Status: | |||||
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| Historical >20 Years | 14 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 4 | ||||
| Possibly Extirpated | 4 | ||||
| Presumed Extirpated | 6 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Marin (MRN)*, San Mateo (SMT), Santa Cruz (SCR)* |
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Quads: Name (Quad Code) Big Basin (3712222)*, Castle Rock Ridge (3712221), Davenport (3712212)*, Felton (3712211)*, Laurel (3712118), Montara Mountain (3712254)*, Point Bonita (3712275)*, San Francisco North (3712274), San Francisco South (3712264)*, San Mateo (3712253)*, San Quentin (3712284)*, San Rafael (3712285)*, Santa Cruz (3612281), Soquel (3612188), Woodside (3712243) |
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Notes:
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Presumed Extant
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