CNPS

CNPS Rare Plant Inventory

Species Details

Dudleya stolonifera

Laguna Beach dudleya

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  Classification

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

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: FT (1998-10-13)
State List: CT (1987-01-01)
Global Rank: G1
State Rank:
 S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-12-09

  Ecology and Life History

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

  Notes

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:

  Threat List Data from the CNDDB

Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 4 67 %
THREAT LIST:
Other 3 50%
Over-collecting/poaching 2 33%
Development 2 33%
Improper burning regime 2 33%
Non-native plant impacts 2 33%

  Occurrence Data from the CNDDB

Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
1 3 2 0 0 0
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 4
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Orange (ORA)
Quads: Name (Quad Code)
Laguna Beach (3311757), San Juan Capistrano (3311756)
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 2 December 2024].