Taxon Details

Pyrrocoma uniflora var. gossypina

Bear Valley pyrrocoma

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Taxon Summary:

Pyrrocoma uniflora var. gossypina, commonly known as Bear Valley pyrrocoma, is a perennial herb in the Asteraceae that is found only in California. It occurs within Meadows and seeps, and Pebble (Pavement) plain, growing at elevations from 1600 to 2300 meters. Pyrrocoma uniflora var. gossypina is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Pyrrocoma uniflora (Hook.) Greene var. gossypina (Greene) Kartesz & Gandhi
Common Name: Bear Valley pyrrocoma
Family:	Asteraceae
Element Code:	PDASTDT0K1
USDA Plants Symbol:	PYUNG
Synonyms/Other Names: Haplopappus uniflorus (Hook.) T. & G. ssp. gossypinus (Greene) Hall
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G5T1
State Rank:	S1
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Sep

Elevation:
1600 - 2300 meters
5250 - 7545 feet

General Habitats:

Meadows and seeps
Pebble (Pavement) plain

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from fewer than twenty occurrences. Threatened by grazing, development, non-native plants, recreational activities, trampling, and vehicles. See Pittonia 3:23 (1898) for original description, and Phytologia 71(1):58-65 (1991) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	13	76 %
Development	8	47%
Other	4	23%
Grazing	4	23%
Recreational use (non-ORV)	3	17%
ORV activity	3	17%
Wood cutting or brush clearing	1	5%
Foot traffic/trampling	1	5%
Logging	1	5%
Mining	1	5%
Non-native plant impacts	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					17
A	B	C	D	X	U
0	3	3	4	2	5

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	4

Presence:
Presumed Extant	15
Possibly Extirpated	2
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Fawnskin (3411638), Moonridge (3411627), Onyx Peak (3411626)

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