CNPS Inventory Plant Detail

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

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

Rarity Status
Rare Plant Rank: 1B.2 Rare, threatened, 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 DFG
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
3	9

Presence:

Present Extant	Possibly Extirpated	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

States: California

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) 34117B6, Azusa (109B) 34117B8, Telegraph Peak (134D) 34117C5, Valyermo (135A) 34117D7, Crystal Lake (135D) 34117C7, Chilao Flat (136D) 34118C1, Topatopa Mountains (165D) 34119E1

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

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
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].

-117.5,34.25