CNPS Inventory Plant Detail

*The database used to provide updates to the Online Inventory is under construction. View updates and changes made since May 2019 here.

Orobanche valida ssp. valida

Common Name:	Rock Creek broomrape
Family:	Orobanchaceae
Synonyms:
Element Code:	PDORO040G2
Full Name:	Orobanche valida Jeps. ssp. valida
USDA PLANTS Symbol:	ORVAV

1999 Alison Colwell

Biology
Lifeform: perennial herb (parasitic) Blooming Period: May-Sep Habitat: granitic. • Chaparral • Pinyon and juniper woodland

Rarity Status
California Rare Plant Rank: 1B.2 Rare or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from CDFW
California Natural Diversity Database

Total # of Known Element Occurrences: 12
Element Occurrence Ranks:

A B C D X U

3 2 0 0 0 7

Population Status:

Historic >20 yrs	Recent <=20 yrs
8	4

Presence:

Present Extant	Possibly Extirpated	Presumed Extirpated
12	0	0

Notes

Possibly threatened by non-native plants, trail maintenance, and recreational activities. Parasitic on various chaparral shrubs. Angeles NF has adopted species management guidelines. See Madroño 1(17):255-256 (1929) for original description, Fremontia 11(1):16-18 (1983) for discussion of rediscovery (1979), and Madroño 29(2):95-100 (1982) 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: 1974-01-01
Last Update: 2011-10-12

Location

Elevation: 1250 - 2000 meters

California Endemic: yes

Other States:

California Counties and Islands: name (code)
Inyo (INY), Los Angeles (LAX), San Bernardino (SBD), Ventura (VEN)

Quads: name (DWR code) USGS code
Mt. Baldy (108B) 3411726, Azusa (109B) 3411728, Telegraph Peak (134D) 3411735, Valyermo (135A) 3411747, Crystal Lake (135D) 3411737, Chilao Flat (136D) 3411831, Topatopa Mountains (165D) 3411951

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. This data should NOT be substituted for pre-project review or for on-site surveys.

Presumed Extant

Presumed Extirpated or Unknown

1199

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

Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

-117.5,34.25