Taxon Details

Erythronium taylorii

Pilot Ridge fawn lily

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Taxon Summary:

Erythronium taylorii, commonly known as Pilot Ridge fawn lily, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Lower montane coniferous forest (metamorphic, and rocky), growing at elevations from 1340 to 1400 meters. Erythronium taylorii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Erythronium taylorii Shevock & Allen
Common Name: Pilot Ridge fawn lily
Family:	Liliaceae
Element Code:	PMLIL0U0S0
USDA Plants Symbol:	ERTA4
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_SBBG; USFS_S
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2023-01-13

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: Apr-May

Elevation:
1340 - 1400 meters
4395 - 4595 feet

General Habitats:

Lower montane coniferous forest (metamorphic, rocky)

Microhabitat Details: Cliffs

Microhabitat:

Notes

Notes: Known only from the type locality near Pilot Ridge. Threatened by rock climbing and illegal collecting. Not in TJM (1993). See Madroño 4(4):360 (1997) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Improper burning regime	1	100%
Over-collecting/poaching	1	100%
Recreational use (non-ORV)	1	100%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	1	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	1

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Tuolumne (TUO)

Quads: Name (Quad Code)
Ascension Mtn. (3711978)

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

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CNPS Rare Plant Inventory