Species Details

Toxicoscordion fontanum

marsh zigadenus

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Scientific Name:
Toxicoscordion fontanum (Eastw.) Zomlefer & Judd
Common Name:
marsh zigadenus
Family: Melanthiaceae
Element Code: PMLIL28050
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jul
Elevation:
15 - 1000 meters
50 - 3280 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
  • Meadows and seeps
  • Marshes and swamps
General Micro Habitat: vernally mesic, often serpentinite
Micro Habitat:
Notes:
See Leaflets of Western Botany 2:41 (1937) for original description, and Phytologia 73(4):307-311 (1992) for revised nomenclature.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Marin (MRN), Monterey (MNT), Napa (NAP), San Benito (SBT), Santa Cruz (SCR)
Quads: Name (Quad Code)
Aetna Springs (3812264), Alder Peak (3512183), Bolinas (3712286), Burro Mountain (3512173), Clearlake Highlands (3812286), Felton (3712211), Hepsedam Peak (3612037), Jericho Valley (3812274), Jolon (3512182), Knoxville (3812273), Leesville (3912224), San Rafael (3712285), St. Helena (3812254), Walter Springs (3812263)
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