Taxon Details

Mentzelia inyoensis

Inyo blazing star

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Photo of Mentzelia inyoensis
© 2019 Steve Matson
Photo of Mentzelia inyoensis
© 2019 Steve Matson
Photo of Mentzelia inyoensis
© 2019 Steve Matson

Taxon Summary:

Mentzelia inyoensis, commonly known as Inyo blazing star, is a perennial herb in the Loasaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 1158 to 1980 meters. Mentzelia inyoensis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Scientific Name:
Mentzelia inyoensis H.J. Thompson & Prigge
Common Name:
Inyo blazing star
Family: Loasaceae
Element Code: PDLOA032Z0
USDA Plants Symbol: MEIN15
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G2
State Rank:
S1
Other Status: BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes:
added to 1B.3 on 2007-02-05
Add Date: 2007-02-05
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Apr-Oct
JFMAMJJASOND
Elevation:
1158 - 1980 meters
3800 - 6495 feet
General Habitats:
  • Great Basin scrub
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Carbonate (sometimes)
  • Rocky
Notes:
Threatened by feral herbivores. See Madrono 51(4): 379 (2004) for original description.
Threats:
Taxonomy:
Threat List Total: 1
Total EOs % of EOs
EOs with Threat Listed: 1 10 %
THREAT LIST:
Non-native animal impacts 1 10%
Total Occurrences: 10
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 9
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 3
Presence:
Presumed Extant 10
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Blanco Mtn. (3711842)?, Chalfant Valley (3711853), Dyer (3711861)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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