Species Details

Toxicoscordion fontanum

marsh zigadenus

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Classification

Scientific Name: Toxicoscordion fontanum (Eastw.) Zomlefer & Judd
Common Name: marsh zigadenus
Family:	Melanthiaceae
Element Code:	PMLIL28050
USDA Plants Symbol:
Synonyms/Other Names: Zigadenus micranthus var. fontanus

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_UCSC
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: Apr-Jul

Elevation:
15 - 1000 meters
50 - 3280 feet

General Habitats:

Chaparral
Cismontane woodland
Lower montane coniferous forest
Meadows and seeps
Marshes and swamps

Microhabitat Details:

Microhabitat:

Serpentine (often)
Vernally Mesic

Notes

Notes: See Leaflets of Western Botany 2:41 (1937) for original description, and Phytologia 73(4):307-311 (1992) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
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

Location

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory