The most northerly documented surviving stand on the continent.
Near river, very chilly about 36 F, light snow
ELC1376 Specimen deposited at herbarium MT (Montreal).
Large sunny vernal pool in a deciduous hardwood forest, not connected to any stream, with Carex, Glyceria septentrionalis and Frangula alnus. Pente: nulle, Drainage: mauvais.
2 clumps growing close to one another. The whole area is heavily browsed by deers, most sedges had their inflorescences and leaves chewed off.