Platanthera huronensis (Nutt.) Lindl.
Great Lakes rein orchid (green bog orchid; Huron green orchid)
Orchidaceae (Orchid family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #25457)


E-Flora BC Static Map

Distribution of Platanthera huronensis
Click here to view the full interactive map and legend

Species Information

Perennial herb from spindle-shaped stem-bases, with a few fibrous roots; stems 15-100 cm tall, leafy.
3 or more along stem, oblong to linear-lanceolate, 5-30 cm long, 0.6-7 cm wide, ascending, gradually reduced to bracts above.
Inflorescence a few- to densely-flowered spike, the flowers whitish-green, with bracts; lateral sepals spreading to slightly bent back, lanceolate, the upper sepal egg-shaped to nearly elliptic, slightly hooded at tip; petals egg-shaped to lance- or scythe-shaped; lip lanceolate to linear, 5-12 mm long, 2-4 mm wide, descending, entire, the base slightly to noticeably round-dilated; spur 4-12 mm long slenderly cylindrical to somewhat club-shaped, the tips gently tapered; anther sacs high, rising above stigmas, the tips separated, the bases diverging slightly; viscidia oblong.
Capsules, ascending to erect.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.


Ecological Framework for Platanthera huronensis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres)
1785 1785 1785
Slope Gradient (%)
14 14 14

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

104 104 104
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 6
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in


Habitat and Range

Wet grassy slopes, stream and lake margins, bogs, swamps and open forests in the montane to alpine zones; infrequent in BC, east of the Coast-Cascade mountains; N to AK, E to NF and S to ME, MA, NY, MI, WI, MN, IA and CO.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Habenaria huronensis (Nutt.) Spreng.
Habenaria hyperborea var. huronensis (Nutt.) Farw.
Platanthera hyperborea var. huronensis (Nutt.) Luer
Platanthera hyperborea var. major Lange