Taxon Report

Ageratina herbacea (Gray) R. M. King & H. Robinson

desert ageratina

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Taxon Summary

Ageratina herbacea, commonly known as desert ageratina, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1525 to 2200 meters. Ageratina herbacea is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Ageratina herbacea (Gray) R. M. King & H. Robinson
Common Name:	desert ageratina
Family:	Asteraceae
Element Code:	PDASTBX0J0
USDA Plants Symbol:	AGHE5
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Oct	Jul-Oct
Elevation:	1525-2200 (5005-7220)
General Habitats:	Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
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:	11
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: False
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Clark Mtn. (3511555), Fountain Peak (3411585), Ivanpah (3511533), Joshua (3511534), Mescal Range (3511545), Mid Hills (3511524), Pachalka Spring (3511556), Pinto Valley (3511523), Valley Wells (3511546)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Does plant occur in INY Co.? See Phytologia 19(4):222 (1970) for revised nomenclature.
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 31 January 2025].