Taxon Report

Dudleya virens (Rose) Moran ssp. insularis (Rose) Moran

island green dudleya

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Taxon Summary

Dudleya virens ssp. insularis, commonly known as island green dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Coastal bluff scrub, and Coastal scrub, growing at elevations from 5 to 300 meters. Dudleya virens ssp. insularis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

  Classification
Scientific Name:
 Dudleya virens (Rose) Moran ssp. insularis (Rose) Moran
Common Name:
 island green dudleya
Family: Crassulaceae
Element Code: PDCRA040S2
USDA Plants Symbol: DUVII
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial herb
Blooming Period: Apr-Jun Apr-Jun
Elevation: 5-300 (15-985)
General Habitats: Coastal bluff scrub, Coastal scrub
Microhabitat: Rocky
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G3?T3
State Rank:
 S3
State List: None
Fed List: None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 23
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 4
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 19

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Los Angeles (LAX), Ventura (VEN)
Quads: Name (Quad Code)
Redondo Beach (3311874), San Nicolas Island (3311924), San Pedro (3311863), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)

Threat List Data from the CNDDB

Threat List Total: 4
EOs with Threat Listed: Total EOs % of EOs
4 17 %
Development 4 17%
Recreational use (non-ORV) 2 8%
Foot traffic/trampling 1 4%
Non-native plant impacts 1 4%

Notes
Threatened by development. See Bulletin of the New York Botanical Garden 3(9):35 (1903) for original description, and Haseltonia 3:2 (1995) for revised nomenclature.
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 14 December 2025].