Taxon Report
Lilaeopsis masonii Math. & Const.Mason's lilaeopsis |
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Classification
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Scientific Name: |
Lilaeopsis masonii Math. & Const. |
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Common Name: |
Mason's lilaeopsis |
| Family: | Apiaceae |
| Element Code: | PDAPI19030 |
| USDA Plants Symbol: | LIMA7 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Apr-Nov | Apr-Nov |
| Elevation: | 0-10 (0-35) |
| General Habitats: | Marshes and swamps, Riparian scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | CR |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 209 |
| Element Occurrence Ranks: | |
| Excellent (A) | 8 |
| Good (B) | 97 |
| Fair (C) | 37 |
| Poor (D) | 9 |
| None (X) | 1 |
| Unknown (U) | 57 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Alameda (ALA), Contra Costa (CCA), Marin (MRN), Napa (NAP), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Yolo (YOL) | |
| 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) | |
Threat List Data from the CNDDB
| Threat List Total: | 13 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 102 | 49 % | |
| 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% |
Notes
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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 |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].