CNPS

CNPS Rare Plant Inventory

Taxon Details

Galium angustifolium ssp. onycense

Onyx Peak bedstraw

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Photo of Galium angustifolium ssp. onycense
© 2020 Cheryl Birker 		Photo of Galium angustifolium ssp. onycense
© 2020 Cheryl Birker

Taxon Summary:

Galium angustifolium ssp. onycense, commonly known as Onyx Peak bedstraw, is a perennial herb in the Rubiaceae that is found only in California. It occurs within Cismontane woodland, and Pinyon and juniper woodland, growing at elevations from 860 to 2300 meters. Galium angustifolium ssp. onycense is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

  Classification

Scientific Name:
Galium angustifolium Nutt. ssp. onycense (Dempster) Dempster & Steb.
Common Name:
Onyx Peak bedstraw
Family: Rubiaceae
Element Code: PDRUB0N048
USDA Plants Symbol: GAANO
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G5T3
State Rank:
 S3
Other Status: BLM_S; SB_CalBG/RSABG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-01-05

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
860 - 2300 meters
2820 - 7545 feet
General Habitats:
  • Cismontane woodland
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Granitic
  • Rocky

  Notes

Notes:
Known only from the Onyx Pk. area. See Brittonia 10:189 (1958) for original description, Madroño 21(2):94 (1971) for revised nomenclature, and Flora of California 4(2):26 (1979) by L. Dempster for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

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

 

  Occurrence Data from the CNDDB

Total Occurrences: 11
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 11
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 2
Presence:
Presumed Extant 11
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Kern (KRN), Tulare (TUL)
Quads: Name (Quad Code)
Cannell Peak (3511873), Horse Canyon (3511851), Lamont Peak (3511871), Onyx (3511862), Walker Pass (3511861), Weldon (3511863)
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

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Suggested 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 October 2025].
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