Species Details

Malacothrix similis

Mexican malacothrix

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Scientific Name:
Malacothrix similis W.S. Davis & Raven
Common Name:
Mexican malacothrix
Family: Asteraceae
Element Code: PDAST660D0
USDA Plants Symbol: MASI5
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-May
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Elevation:
0 - 40 meters
0 - 130 feet
General Habitats:
  • Coastal dunes
Microhabitat Details:
Microhabitat:
Notes:
Last seen in 1925 at Hueneme Beach in Ventura County. A synonym of Malacothrix stebbinsii in The Jepson Manual (1993). See Madrono 16: 262 (1962) for original description.
Threats:
Taxonomy:
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 0 0 0 3 0
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 3
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA)?*, Ventura (VEN)*
Quads: Name (Quad Code)
Oxnard (3411922)*, San Miguel Island East (3312083)?*, San Miguel Island West (3312084)?*, Santa Cruz Island A (3311987)?*, Santa Cruz Island B (3311986)?*, Santa Cruz Island C (3311985)?*, Santa Cruz Island D (3311984)?*
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.
Presumed Extant
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