Taxon Report

Eriophyllum nubigenum Greene

Yosemite woolly sunflower

Print Report

Classification


Scientific Name:	Eriophyllum nubigenum Greene
Common Name:	Yosemite woolly sunflower
Family:	Asteraceae
Element Code:	PDAST3N0A0
USDA Plants Symbol:	ERNU6
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Aug	May-Aug
Elevation:	1525-2750 (5005-9025)
General Habitats:	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat:	Granitic, Gravelly
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	14
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	4
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	7

Location


California Endemic: True
California Counties and Islands: Name (Code)
Madera (MAD), Mariposa (MPA), Tuolumne (TUO)
Quads: Name (Quad Code)
Ascension Mtn. (3711978), Half Dome (3711965), Mariposa Grove (3711955), Merced Peak (3711964)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	5	36 %
Foot traffic/trampling	5	35%
Non-native plant impacts	3	21%
Other	2	14%
Recreational use (non-ORV)	1	7%

Notes



Known from fewer than twenty occurrences. Threatened by foot traffic, non-native plants and recreational activities. See Madroño 29(2):123 (1982) for information on rediscovery.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 3 January 2025].