Taxon Report

Transberingia bursifolia (DC.) Al-Shehbaz & O'Kane ssp. virgata (Nutt.) Al-Shehbaz & O'Kane

virgate halimolobos

Print Report


Taxon Summary

Transberingia bursifolia ssp. virgata, commonly known as virgate halimolobos, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 2000 to 3000 meters. Transberingia bursifolia ssp. virgata is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

  Classification
Scientific Name:
 Transberingia bursifolia (DC.) Al-Shehbaz & O'Kane ssp. virgata (Nutt.) Al-Shehbaz & O'Kane
Common Name:
 virgate halimolobos
Family: Brassicaceae
Element Code: PDBRA1A040
USDA Plants Symbol:
Synonyms/Other Names:
  • Halimolobos virgata

Ecology and Life History
Lifeform: perennial herb
Blooming Period: (Jun)Jul (Jun)Jul
Elevation: 2000-3000 (6560-9845)
General Habitats: Meadows and seeps, Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.3
Global Rank: G4T3
State Rank:
 S2
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: 9
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 5
   Poor (D) 0
   None (X) 0
   Unknown (U) 4

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Blanco Mtn. (3711842), Crooked Creek (3711841), Mt. Barcroft (3711852), Westgard Pass (3711832)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
5 56 %
Altered flood/tidal/hydrologic regime 5 55%
Foot traffic/trampling 5 55%
Other 5 55%

Notes
See Contributions from the Gray Herbarium 3(8):241-288 (1943) for taxonomic treatment and discussion of the genus.
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 November 2025].