Taxon Report

Platanthera stricta Lindl.

slender bog-orchid

Print Report

Taxon Summary

Platanthera stricta, commonly known as slender bog-orchid, is a perennial herb in the Orchidaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, and Meadows and seeps, growing at elevations from 1000 to 2300 meters. Platanthera stricta is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Platanthera stricta Lindl.
Common Name:	slender bog-orchid
Family:	Orchidaceae
Element Code:	PMORC1Y0P0
USDA Plants Symbol:	PLST4
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Aug	May-Aug
Elevation:	1000-2300 (3280-7545)
General Habitats:	Lower montane coniferous forest, Meadows and seeps
Microhabitat:	Mesic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
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)
Humboldt (HUM), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Blake Mountain (4012355), Board Camp Mtn. (4012366), Dutch Creek (4112381), Grouse Mtn. (4012376), Hyampom (4012354), Mad River Buttes (4012367), Maple Creek (4012377), Marble Mountain (4112352), Sims Mountain (4012365), Sportshaven (4012344)

Threat List Data from the CNDDB


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

Notes




Threats:
Threatened by logging.
Taxonomy:

Selected References

The Wild Orchids of California, p. 151-153 (1995) by R. Coleman

Platanthera stricta profile for potential Species of Conservation Concern evaluation (2022)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 19 November 2025].