Taxon Details

Crossosoma californicum

Catalina crossosoma

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Taxon Summary:

Crossosoma californicum, commonly known as Catalina crossosoma, is a perennial deciduous shrub in the Crossosomataceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 0 to 500 meters. Crossosoma californicum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Crossosoma californicum Nutt.
Common Name: Catalina crossosoma
Family:	Crossosomataceae
Element Code:	PDCRO02020
USDA Plants Symbol:	CRCA4
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Feb-May

Elevation:
0 - 500 meters
0 - 1640 feet

General Habitats:

Chaparral
Coastal scrub

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Threatened by development. Recovering well on SCM Isl. See Aliso 9:171-178 (1978) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	6	8 %
Development	4	5%
Erosion/runoff	1	1%
Foot traffic/trampling	1	1%
Non-native animal impacts	1	1%
Non-native plant impacts	1	1%
Other	1	1%
Recreational use (non-ORV)	1	1%
Road/trail construction/maint.	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					80
A	B	C	D	X	U
4	4	2	1	0	69

Occurrence Status:
Historical >20 Years	35
Recent <=20 Years	45

Presence:
Presumed Extant	80
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Isla Guadalupe, Baja (GU)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Pedro (3311863), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory