Native Plant Database

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Isotria medeoloides (Small whorled pogonia)
McAdoo, David R.

Isotria medeoloides

Isotria medeoloides (Pursh) Raf.

Small whorled pogonia, Green fiveleaf orchid

Orchidaceae (Orchid Family)


USDA Symbol: ISME2

USDA Native Status: L48 (N), CAN (N)

A North American orchid of the northeastern United States, with isolated populations farther west, including in southern Ontario, Canada, where it is found only in Carlton Swamp. Canada lists it as an endangered species threatened with extirpation by all-terrain vehicles.


Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple

Bloom Information

Bloom Color: Yellow , Green , Brown


USA: CT , DC , DE , GA , IL , MA , MD , ME , MI , MO , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT
Canada: ON
Native Habitat: Woodland

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q1XL
Status: Threatened
Historic Range: U.S.A. (CT, DC, DE, GA, IL, MA, MD, ME, MI, MO, NC, NH, NJ, NY, PA, RI, SC, TN, VA, VT,WV), Canada (Ont.)
Critical Habitat: N/A
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Isotria medeoloides in USDA Plants
FNA: Find Isotria medeoloides in the Flora of North America (if available)
Google: Search Google for Isotria medeoloides


Record Last Modified: 2012-11-11
Research By: TWC Staff

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