Taxon Report

Erigeron compactus S.F. Blake

compact daisy

Print Report

Taxon Summary

Erigeron compactus, commonly known as compact daisy, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland (carbonate, gravelly, and rocky), growing at elevations from 1300 to 2900 meters. Erigeron compactus is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Erigeron compactus S.F. Blake
Common Name:	compact daisy
Family:	Asteraceae
Element Code:	PDAST3M5Z0
USDA Plants Symbol:	ERCO3
Synonyms/Other Names:	Erigeron compactus S.F. Blake var. compactus

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jul	May-Jul
Elevation:	1300-2900 (4265-9515)
General Habitats:	Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	13
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	13

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Blanco Mtn. (3711842), Cowhorn Valley (3711821), Tinemaha Reservoir (3711812), Waucoba Mtn. (3711811), Waucoba Spring (3711718), Westgard Pass (3711832)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	8 %
Development	1	7%

Notes



Known in CA from the White and Inyo mountains. See Proceedings of the Biological Society of Washington 35:78 (1922) for original description, and Brittonia 6(2):187 (1947) for taxonomic treatment.
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 6 February 2025].