Taxon Report

Mentzelia monoensis J.M. Brokaw & L. Hufford

Mono Craters blazing star

Print Report


© 2021 Joshua M Brokaw

Taxon Summary

Mentzelia monoensis, commonly known as Mono Craters blazing star, is a annual herb in the Loasaceae that is found only in California. It occurs within Great Basin scrub, and Upper montane coniferous forest, growing at elevations from 2005 to 2480 meters. Mentzelia monoensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

  Classification
Scientific Name:
 Mentzelia monoensis J.M. Brokaw & L. Hufford
Common Name:
 Mono Craters blazing star
Family: Loasaceae
Element Code: PDLOA032B0
USDA Plants Symbol: MEMO12
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: May-Jul May-Jul
Elevation: 2005-2480 (6580-8135)
General Habitats: Great Basin scrub, Upper montane coniferous forest
Microhabitat: Disturbed areas, Gravelly
Microhabitat Details: Pumice

Conservation Status
CA Rare Plant Rank: 4.3
Global Rank: G2
State Rank:
 S2
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • added to 4.3 on 2012-03-13

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

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Quads: Name (Quad Code)

Threat List Data from the CNDDB

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

Notes
Known only from the Mono Craters region. Similar to M. albicaulis and M. montana; known to co-occur with the latter. Not in The Jepson Manual (1993) and TJM 2. See Madroño 58(1):57-63 (2011) for original description.
Threats:
Taxonomy:
Similar to M. albicaulis and M. montana; known to co-occur with the latter. Not in The Jepson Manual (1993) and TJM 2.

Selected References

CRPR List Addition on 2012-03-13
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 24 October 2025].