Habitat:
On sphagnum hummocks under Larix laricina and Rhus vernix with Carex chordorrhiza, Cypripedium acaule, Menyanthes trifoliata, Sarracenia purpurea, Drosera rotundifolia, Galium tinctorium. Mingled with Carex paupercula, C. leptalea, and C. interior. Unicate.