Species Details

Antirrhinum subcordatum

dimorphic snapdragon

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Photo of Antirrhinum subcordatum
© 2015 Dean Wm. Taylor
Scientific Name:
Antirrhinum subcordatum Gray
Common Name:
dimorphic snapdragon
Family: Plantaginaceae
Element Code: PDSCR2S070
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Jul
Elevation:
185 - 800 meters
605 - 2625 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Serpentinite (sometimes)
Total Occurrences: 49
Element Occurrence Ranks:
A B C D X U
11 3 4 0 1 30
Occurrence Status:
Historical >20 Years 49
Recent <=20 Years 0
Presence:
Presumed Extant 48
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Lake (LAK), Tehama (TEH)
Quads: Name (Quad Code)
Chrome (3912265), Cold Fork (4012226), Fouts Springs (3912236), Gilmore Peak (3912235), Hall Ridge (3912276), Highland Springs (3812288), Lodoga (3912234), Lowrey (4012215), Mitchell Gulch (4012234), Newville (3912275), Paskenta (3912285), Raglin Ridge (4012216), Riley Ridge (3912286), Rosewood (4012235), St. John Mtn. (3912246), Stonyford (3912245), Tomhead Mtn. (4012227), Whispering Pines (3812276)
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.

Map

Presumed Extant
Counties   Quads