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Scientific Name: Stylocline masonii Morefield |
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Common Name: Mason's neststraw |
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| Family: | Asteraceae | |
| Element Code: | PDAST8Y080 | |
| USDA Plants Symbol: | STMA10 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
100 - 1200 meters 330 - 3935 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Collected only once (1991) since 1971; need status of occurrences. Most of known sites surveyed unsuccessfully in 1989. Threatened by development and habitat disturbance. See Madroño 39(2):117 (1992) for original description and 43(3):434-435 (1996) for information on recent collection. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 4 | 57 % |
| THREAT LIST: | ||
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| Development | 3 | 42% |
| Dam/Inundation | 1 | 14% |
| Total Occurrences: | 7 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 1 | 6 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 6 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Kern (KRN), Los Angeles (LAX), Monterey (MNT), San Luis Obispo (SLO) |
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Quads: Name (Quad Code) Acton (3411842), Bryson (3512171), Camatta Canyon (3512053), Camatta Ranch (3512043), Cholame (3512063), Cholame Valley (3512073), Hames Valley (3512088), Rosedale (3511942), Tierra Redonda Mountain (3512078), Weldon (3511863), Williams Hill (3512181) |
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Notes:
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Presumed Extant
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