CNPS

CNPS Rare Plant Inventory

Species Details

Horkelia daucifolia var. indicta

Jepson's horkelia

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo by © 2011 Dean Wm. Taylor, Ph.D. max-height:128px; max-width:145px;
© 2011 Dean Wm. Taylor, Ph.D. 		Photo by © 2011 Dean Wm. Taylor, Ph.D. max-height:128px; max-width:145px;
© 2011 Dean Wm. Taylor, Ph.D. 		Photo by © 2011 Dean Wm. Taylor, Ph.D. max-height:128px; max-width:145px;
© 2011 Dean Wm. Taylor, Ph.D.

Classification

Scientific Name:
Horkelia daucifolia (Greene) Rydb. var. indicta (Jeps.) Ertter & Reveal
Common Name:
Jepson's horkelia
Family: Rosaceae
Element Code: PDROS0W053
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G4T1
State Rank:
 S1
Other Status:
CRPR Changes:
added to 1B.1 on 2011-09-26
Add Date: 2011-09-26
Date Edited: 2022-01-05

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jun
Elevation:
240 - 670 meters
785 - 2200 feet
General Habitat:
  • Cismontane woodland
General Micro Habitat: Quaternary pyroclastic flows
Micro Habitat:
  • Clay
  • Openings
  • Volcanic
  • Vernally Mesic

Notes

Notes:
Known from fewer than five occurrences; only one occurrence seen recently. Threatened by habitat fragmentation. Potentially threatened by development. See H. daucifolia in The Jepson Manual (1993). See Manual of the Flowering Plants of California, p. 493 (1925) by W.L. Jepson for original description, and Novon 17:315-325 (2007) for taxonomic treatment.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 3
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 2
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Shasta (SHA), Tehama (TEH)
Quads: Name (Quad Code)
Inwood (4012158), Rosewood (4012235)
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 1 July 2022].