Taxon Report

Orobanche valida ssp. valida

Rock Creek broomrape

Print Report

Taxon Summary

Orobanche valida ssp. valida is a synonym of Aphyllon validum (Jeps.) A.C. Schneid. ssp. validum .

Classification


Scientific Name:	Orobanche valida ssp. valida
Common Name:	Rock Creek broomrape
Family:
Element Code:	PDORO040G2
USDA Plants Symbol:
Synonyms/Other Names:	Aphyllon validum (Jeps.) A.C. Schneid. ssp. validum

Ecology and Life History


Lifeform:
Blooming Period:
Elevation:	- (-)
General Habitats:
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:
Global Rank:	G4T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	12
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	7

Location


California Endemic: False
California Counties and Islands: Name (Code)

Quads: Name (Quad Code)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	6	50 %
Road/trail construction/maint.	5	41%
Foot traffic/trampling	2	16%
Recreational use (non-ORV)	2	16%
Erosion/runoff	1	8%
Non-native plant impacts	1	8%

Notes




Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 October 2025].