Species Details

Lilaeopsis masonii

Mason's lilaeopsis

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Scientific Name:
Lilaeopsis masonii Math. & Const.
Common Name:
Mason's lilaeopsis
Family: Apiaceae
Element Code: PDAPI19030
USDA Plants Symbol: LIMA7
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: Apr-Nov
Elevation:
0 - 10 meters
0 - 35 feet
General Habitat:
  • Marshes and swamps (brackish, freshwater)
  • Riparian scrub
General Micro Habitat:
Micro Habitat:
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.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 200
Element Occurrence Ranks:
A B C D X U
6 86 39 9 1 59
Occurrence Status:
Historical >20 Years 91
Recent <=20 Years 109
Presence:
Presumed Extant 199
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads