Taxon Report

Baccharis vanessae Beauch.

Encinitas baccharis

Print Report


  Classification
Scientific Name:
 Baccharis vanessae Beauch.
Common Name:
 Encinitas baccharis
Family: Asteraceae
Element Code: PDAST0W0P0
USDA Plants Symbol: BAVA3
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial deciduous shrub
Blooming Period: Aug-Nov Aug-Nov
Elevation: 60-720 (195-2360)
General Habitats: Chaparral, Cismontane woodland
Microhabitat: Sandstone
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.1
Global Rank: G1
State Rank:
 S1
State List: CE
Fed List: FT
Other Status: SB_CRES
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 31
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 8
   Fair (C) 1
   Poor (D) 5
   None (X) 4
   Unknown (U) 12

Location
California Endemic:  True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Del Mar (3211782), Encinitas (3311713), Escondido (3311711), Margarita Peak (3311744), Otay Mountain (3211657), Poway (3211781), Rancho Santa Fe (3311712), San Marcos (3311722), San Pasqual (3311618), San Vicente Reservoir (3211688)

Threat List Data from the CNDDB

Threat List Total: 15
EOs with Threat Listed: Total EOs % of EOs
20 65 %
Development 13 41%
Non-native plant impacts 11 35%
Road/trail construction/maint. 10 32%
Improper burning regime 9 29%
Foot traffic/trampling 7 22%
Vandalism/dumping/litter 7 22%
Other 7 22%
Wood cutting or brush clearing 5 16%
Erosion/runoff 4 12%
Insufficient population/stand size 3 9%
Recreational use (non-ORV) 2 6%
Grazing 1 3%
Feral pigs 1 3%
Altered flood/tidal/hydrologic regime 1 3%
Dam/Inundation 1 3%

Notes
Extirpated from Encinitas area. Threatened by development, foot traffic, and recreation. Possibly threatened by non-native plants. See Phytologia 46(4):216-222 (1980) for original description, and Madroño 40(2):133 (1993) for range extension information.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].