CNPS Inventory Plant Detail

Erythronium tuolumnense

Common Name:	Tuolumne fawn lily
Family:	Liliaceae
Synonyms:
Element Code:	PMLIL0U0H0
Full Name:	Erythronium tuolumnense Appleg.
USDA PLANTS Symbol:	ERTU

Biology
Lifeform: perennial bulbiferous herb Blooming Period: March - June Habitat: • Broadleafed upland forest • Chaparral • Cismontane woodland • Lower montane coniferous forest

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 30
Element Occurrence Ranks:

A B C D X U

5 5 1 1 0 18

Population Status:

Historic >20 yrs	Recent <=20 yrs
13	17

Presence:

Present Extant	Possibly Extirpated	Extirpated
30	0	0

Notes

Threatened by logging, vehicles, horticultural collecting, and reforestation with herbicides. Possibly threatened by non-native plants, grazing, and mining. See Contributions from the Dudley Herbarium 1:153 (1930) for original description, and Madroño 3(2):68 (1935) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2012-07-31

Location

Elevation: 510 - 1365 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Tuolumne (TUO)

Quads: name (DWR code) USGS code
Tuolumne (457B) 37120H2, Standard (458A) 37120H3, Crandall Peak (474B) 38120B2, Twain Harte (474C) 38120A2, Columbia (475C) 38120A4, Columbia Se (475D) 38120A3

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

802

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-120.25,38.0