CNPS

CNPS Rare Plant Inventory

Species Details

Horkelia hispidula

White Mountains horkelia

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Photo by © 2012 Steve Matson max-height:128px; max-width:145px;
© 2012 Steve Matson 		Photo by © 2011 Steve Matson max-height:128px; max-width:145px;
© 2011 Steve Matson 		Photo by © 2009 Steve Matson max-height:128px; max-width:145px;
© 2009 Steve Matson

Classification

Scientific Name:
Horkelia hispidula Rydb.
Common Name:
White Mountains horkelia
Family: Rosaceae
Element Code: PDROS0W0A0
USDA Plants Symbol: HOHI
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G3
State Rank:
 S3
Other Status: USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-01-05

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Aug
Elevation:
3000 - 3400 meters
9845 - 11155 feet
General Habitat:
  • Alpine dwarf scrub
  • Great Basin scrub
  • Subalpine coniferous forest
General Micro Habitat:
Micro Habitat:

Notes

Notes:
Possibly threatened by vehicles. See North American Flora 22:278 (1908) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
3 2 0 0 0 9
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 7
Presence:
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0

Location

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), Juniper Mtn. (3711862), Mt. Barcroft (3711852), Station Peak (3711851)
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.
Regional Map

Map

Presumed Extant
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 5 July 2022].