Taxon Report

Lessingia glandulifera Gray var. tomentosa (Greene) Ferris

Warner Springs lessingia

Print Report


© 2014 Keir Morse

Taxon Summary

Lessingia glandulifera var. tomentosa, commonly known as Warner Springs lessingia, is a annual herb in the Asteraceae that is found only in California. It occurs within Chaparral, growing at elevations from 870 to 1220 meters. Lessingia glandulifera var. tomentosa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

  Classification
Scientific Name:
 Lessingia glandulifera Gray var. tomentosa (Greene) Ferris
Common Name:
 Warner Springs lessingia
Family: Asteraceae
Element Code: PDAST5S022
USDA Plants Symbol: LEGLT
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: Aug-Oct Aug-Oct
Elevation: 870-1220 (2855-4005)
General Habitats: Chaparral
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.1
Global Rank: G4?T2
State Rank:
 S2
State List: None
Fed List: None
Other Status: BLM_S; USFS_S
CRPR Changes:
  • changed from 1B.3 to 1B.1 on 2015-10-15

Occurrence Data from the CNDDB
Total Occurrences: 7
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 2
   Poor (D) 0
   None (X) 0
   Unknown (U) 5

Location
California Endemic:  True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Beauty Mountain (3311646), Hot Springs Mtn. (3311635), Palomar Observatory (3311637), Ranchita (3311625), Tubb Canyon (3311624), Warner Springs (3311636), Warners Ranch (3311626)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
2 29 %
Road/trail construction/maint. 2 28%
Grazing 1 14%

Notes
Threatened by habitat alteration, grazing, and non-native plants. Potentially threatened by road construction.
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 13 September 2025].