Taxon Report

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

desert ageratina

Print Report


© 2012 Richard Spellenberg

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

Smithsonian Contributions to Knowledge 5(6): 74. (1853)
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 October 2025].