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Scientific Name: Lilaeopsis masonii Math. & Const. |
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Common Name: Mason's lilaeopsis |
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| Family: | Apiaceae | |
| Element Code: | PDAPI19030 | |
| USDA Plants Symbol: | LIMA7 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | CR (1979-11-01) |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Nov
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Elevation:
0 - 10 meters 0 - 35 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Locally common in Suisun Bay. Threatened by erosion, channel stabilization, development, flood control projects, recreation, agriculture, shading resulting from marsh succession, and competition with non-native Eichhornia crassipes. Many populations ephemeral, exploiting newly deposited or exposed sediments. Collection from Chicken Ranch Beach, MRN Co. (485D) is probably L. occidentalis. Treated differently here than Madroño 58(3):131-144 (2011), which treats L. masonii as a synonym of L. occidentalis. See Madroño 24(2):81 (1977) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 13 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 102 | 49 % |
| THREAT LIST: | ||
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| Erosion/runoff | 56 | 26% |
| Waterway bank protection/maintenance | 33 | 15% |
| Recreational use (non-ORV) | 32 | 15% |
| Other | 19 | 9% |
| Non-native plant impacts | 16 | 7% |
| Foot traffic/trampling | 15 | 7% |
| Vandalism/dumping/litter | 9 | 4% |
| Altered flood/tidal/hydrologic regime | 8 | 3% |
| Development | 4 | 1% |
| Grazing | 3 | 1% |
| Biocides | 2 | 0% |
| Pollution | 2 | 0% |
| Surface water diversion | 2 | 0% |
| Total Occurrences: | 209 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 97 | 37 | 9 | 1 | 57 |
| Occurrence Status: | |||||
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| Historical >20 Years | 90 | ||||
| Recent <=20 Years | 119 | ||||
| Presence: | |||||
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| Presumed Extant | 208 | ||||
| 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) Alameda (ALA), Contra Costa (CCA), Marin (MRN), Napa (NAP), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Yolo (YOL) |
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Quads: Name (Quad Code) Antioch North (3812117), Benicia (3812212), Bouldin Island (3812115), Bruceville (3812134), Clarksburg (3812145), Clifton Court Forebay (3712175), Cuttings Wharf (3812223), Denverton (3812128), Dozier (3812137), Fairfield South (3812221), Holt (3712184), Honker Bay (3812118), Inverness (3812217), Isleton (3812125), Jersey Island (3812116), Liberty Island (3812136), Lodi South (3812113), Mare Island (3812213), Napa (3812233), Rio Vista (3812126), Saxon (3812146), Terminous (3812114), Thornton (3812124), Union Island (3712174), Vine Hill (3812211), Woodward Island (3712185) |
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Notes:
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Presumed Extant
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