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:
CA Rare Plant Rank: 2A
Fed List: None
State List: None
Global Rank: G2G3
State Rank:
SH
Other Status:
CRPR Changes:
changed from 1A to 2A on 2013-06-12
added to 1A on 2007-04-05
Add Date: 2007-04-05
Date Edited: 2021-06-03
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:
Other:
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.

Map

Presumed Extant
Counties   Quads