CNPS Inventory Plant Detail

Horkelia daucifolia var. indicta

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

Biology
Lifeform: perennial herb Blooming Period: April - June Habitat: Quaternary pyroclastic flows, clay, volcanic, vernally mesic, openings.. • Cismontane woodland

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G4T1 T1: Critically Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
1	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
3	0	0

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.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2011-09-26
Last Update: 2011-09-29

Location

Elevation: 240 - 670 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Shasta (SHA), Siskiyou (SIS), Tehama (TEH)

Quads: name (DWR code) USGS code
Rosewood (630D) 40122C5, Inwood (645C) 40121E8, Scott Mountain (700C) 41122C6

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

3580

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.5,40.25