Taxon Report

Euphorbia misera Benth.

cliff spurge

Print Report



  Classification

Scientific Name:
Euphorbia misera Benth.
Common Name:
cliff spurge
Family: Euphorbiaceae
Element Code: PDEUP0Q1B0
USDA Plants Symbol: EUMI4
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: (Oct)Dec-Aug (Oct)Dec-Aug
Elevation: 10-500 (35-1640)
General Habitats: Coastal bluff scrub, Coastal scrub, Mojavean desert scrub
Microhabitat: Rocky
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 2B.2
Global Rank: G5
State Rank:
S2
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG; SB_CRES
CRPR Changes:
  • changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB

Total Occurrences: 40
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 3
   Fair (C) 6
   Poor (D) 2
   None (X) 1
   Unknown (U) 26
California Endemic:  False
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG), Santa Barbara (SBA)
Quads: Name (Quad Code)
Dana Point (3311746), Del Mar (3211782), Desert Hot Springs (3311685), Encinitas (3311713), Imperial Beach (3211751), La Jolla (3211772), Laguna Beach (3311757), National City (3211761), Oceanside (3311724), Otay Mesa (3211658), Point Loma (3211762), San Clemente Island Central (3211874), San Clemente Island South (3211873), San Juan Capistrano (3311756), San Luis Rey (3311723)*, Santa Catalina North (3311844), Santa Cruz Island B (3311986), White Water (3311686)

Threat List Data from the CNDDB

Threat List Total: 10
EOs with Threat Listed: Total EOs % of EOs
18 45 %
Development 12 30%
Non-native plant impacts 6 15%
Road/trail construction/maint. 5 12%
Erosion/runoff 3 7%
ORV activity 3 7%
Other 3 7%
Mining 3 7%
Vandalism/dumping/litter 2 5%
Foot traffic/trampling 1 2%
Recreational use (non-ORV) 1 2%

Notes

Threatened by development and non-native plants.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].