Taxon Details
Orcuttia pilosa
hairy Orcutt grass
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© 2003 George W. Hartwell |
© 2011 Chris Winchell |
© 2010 Chris Winchell |
Taxon Summary:
Orcuttia pilosa, commonly known as hairy Orcutt grass, is a annual herb in the Poaceae that is found only in California. It occurs within Vernal pools, growing at elevations from 46 to 200 meters. Orcuttia pilosa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Orcuttia pilosa Hoov. |
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Common Name: hairy Orcutt grass |
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| Family: | Poaceae | |
| Element Code: | PMPOA4G040 | |
| USDA Plants Symbol: | ORPI | |
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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 (1997-03-26) |
| State List: | CE (1979-09-01) |
| 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: | 1980-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
46 - 200 meters 150 - 655 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 31 | 86 % |
| THREAT LIST: | ||
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| Agriculture | 18 | 50% |
| Grazing | 17 | 47% |
| Non-native plant impacts | 9 | 25% |
| Disking | 8 | 22% |
| Development | 5 | 13% |
| Altered flood/tidal/hydrologic regime | 4 | 11% |
| Foot traffic/trampling | 3 | 8% |
| Road/trail construction/maint. | 2 | 5% |
| Erosion/runoff | 1 | 2% |
| ORV activity | 1 | 2% |
| Other | 1 | 2% |
| Total Occurrences: | 36 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 9 | 4 | 3 | 15 | 2 |
| Occurrence Status: | |||||
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| Historical >20 Years | 23 | ||||
| Recent <=20 Years | 13 | ||||
| Presence: | |||||
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| Presumed Extant | 21 | ||||
| Possibly Extirpated | 7 | ||||
| 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) Glenn (GLE), Madera (MAD), Merced (MER), Stanislaus (STA), Tehama (TEH) |
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Quads: Name (Quad Code) Cooperstown (3712065)*, Daulton (3711918), Gregg (3611988), Herndon (3611978), Kismet (3712011)*, Lanes Bridge (3611987), Logandale (3912242), Madera (3612081), Merced (3712034), Montpelier (3712056), Paulsell (3712066)*, Richardson Springs NW (3912188), Turlock Lake (3712055), Vina (3912281), Yosemite Lake (3712044)* |
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Notes:
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Presumed Extant
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