Taxon Report

Malacothrix similis W.S. Davis & Raven

Mexican malacothrix

Print Report

Classification


Scientific Name:	Malacothrix similis W.S. Davis & Raven
Common Name:	Mexican malacothrix
Family:	Asteraceae
Element Code:	PDAST660D0
USDA Plants Symbol:	MASI5
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	0-40 (0-130)
General Habitats:	Coastal dunes
Microhabitat:
Microhabitat Details:

Conservation Status


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

Occurrence Data from the CNDDB


Total Occurrences:	3
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	3
Unknown (U)	0

Location


California Endemic: False
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)?*

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

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:

Selected References

CRPR List Addition on 2007-04-05

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].