Taxon Report

Piperia cooperi (Wats.) Rydb.

chaparral rein orchid

Print Report

Classification


Scientific Name:	Piperia cooperi (Wats.) Rydb.
Common Name:	chaparral rein orchid
Family:	Orchidaceae
Element Code:	PMORC1X090
USDA Plants Symbol:	PICO9
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Mar-Jun	Mar-Jun
Elevation:	15-1585 (50-5200)
General Habitats:	Chaparral, Cismontane woodland, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3
State Rank:	S3S4
State List:	None
Fed List:	None
Other Status:	SB_CRES
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Del Mar (3211782), Dulzura (3211667), El Cajon (3211678), Fallbrook (3311743), Jamul Mountains (3211668), Otay Mesa (3211658), Otay Mountain (3211657), Point Loma (3211762), San Clemente (3311745), San Clemente Island South (3211873), San Pasqual (3311618), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845), Santiago Peak (3311765), Viejas Mountain (3211676)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Threatened by urbanization and horticultural collecting. Possibly threatened by road maintenance. Possibly threatened by herbivory from non-native dear on SCT Isl. See Proceedings of the American Academy of Arts and Sciences 12:276 (1876) for original description, Bulletin of the Torrey Botanical Club 28(11):636 (1901) for revised nomenclature, and The Wild Orchids of California, p. 114-116 (1995) by R. Coleman for species account.
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 4 January 2025].