Species Details

Ceanothus gloriosus var. porrectus

Mt. Vision ceanothus

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Scientific Name:
Ceanothus gloriosus J.T. Howell var. porrectus J.T. Howell
Common Name:
Mt. Vision ceanothus
Family: Rhamnaceae
Element Code: PDRHA040F7
USDA Plants Symbol: CEGLP
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: Feb-May
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Elevation:
25 - 305 meters
80 - 1000 feet
General Habitats:
  • Closed-cone coniferous forest
  • Coastal prairie
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
Notes:
Known from fewer than 20 occurrences in the Mt. Vision area near Pt. Reyes. Some plants destroyed by quarrying; occurs in areas grazed by cattle. Possibly threatened by competition. Can intergrade with Ceanothus gloriosus var. gloriosus.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 13 72 %
THREAT LIST:
Other 8 44%
Grazing 7 38%
Foot traffic/trampling 3 16%
Road/trail construction/maint. 2 11%
Vandalism/dumping/litter 1 5%
Total Occurrences: 18
Element Occurrence Ranks:
A B C D X U
1 10 2 0 0 5
Occurrence Status:
Historical >20 Years 10
Recent <=20 Years 8
Presence:
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Marin (MRN)
Quads: Name (Quad Code)
Drakes Bay (3812218), Inverness (3812217), Tomales (3812228)
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.
Presumed Extant
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