Species Details

Erigeron lassenianus var. deficiens

Plumas rayless daisy

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Classification

Scientific Name: Erigeron lassenianus Greene var. deficiens Cronquist
Common Name: Plumas rayless daisy
Family:	Asteraceae
Element Code:	PDAST3M262
USDA Plants Symbol:	ERLAD
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3G4T2T3
State Rank:	S2S3
Other Status:
CRPR Changes: added to 1B.3 on 2012-09-28
Add Date:	2012-09-28
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Sep
Elevation: 1360 - 1980 meters 4460 - 6495 feet
General Habitat: Lower montane coniferous forest
General Micro Habitat:
Micro Habitat: Disturbed areas (sometimes) Gravelly Serpentinite (sometimes)

Notes

Notes: Known mostly from Plumas NF. Potentially threatened by logging, vehicles, and habitat alteration. Plants on serpentinite may be unique; needs further study. See Brittonia 6(2):171 (1947) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					35
A	B	C	D	X	U
4	14	4	1	0	12

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	28

Presence:
Presumed Extant	35
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Sierra (SIE)

Quads: Name (Quad Code)
Almanor (4012122), American House (3912161), Canyondam (4012121), Caribou (4012112), Chester (4012132), Dogwood Peak (3912171), Goodyears Bar (3912058), Haskins Valley (3912172), La Porte (3912068), Meadow Valley (3912181), Milford (4012023), Onion Valley (3912078), Quincy (3912088), Twain (4012111)

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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Counties Quads

Selected References

CNPS Status Review:

CRPR List Addition on 2012-09-28