Taxon Report

Dudleya stolonifera Moran

Laguna Beach dudleya

Print Report

Species Description:
Dudleya stolonifera, commonly known as Laguna Beach dudleya, is a perennial stoloniferous herb in the Crassulaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Coastal scrub, and Valley and foothill grassland, growing at elevations from 10 to 260 meters. Dudleya stolonifera is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Dudleya stolonifera Moran
Common Name:	Laguna Beach dudleya
Family:	Crassulaceae
Element Code:	PDCRA040P0
USDA Plants Symbol:	DUST
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial stoloniferous herb
Blooming Period: May-Jul	May-Jul
Elevation:	10-260 (35-855)
General Habitats:	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CT
Fed List:	FT
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	3
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Orange (ORA)
Quads: Name (Quad Code)
Laguna Beach (3311757), San Juan Capistrano (3311756)

Threat List Data from the CNDDB


Threat List Total:	10
EOs with Threat Listed:	Total EOs	% of EOs
	4	67 %
Other	3	50%
Over-collecting/poaching	2	33%
Development	2	33%
Improper burning regime	2	33%
Non-native plant impacts	2	33%
Erosion/runoff	1	16%
Foot traffic/trampling	1	16%
Hybridization	1	16%
Vandalism/dumping/litter	1	16%
Wood cutting or brush clearing	1	16%

Notes



Threatened by development, recreation, and non-native plants, and possibly by horticultural collecting. See Bulletin of the Southern California Academy of Sciences 48:105-114 (1950) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 13 January 2025].