GENUS
Amerorchis
Arethusa
Calopogon
Calypso
Corallorhiza
Cypripedium
Dactylorhiza
Epipactis
Goodyera
Liparis
Listera
Malaxis
Platanthera
Pogonia
Spiranthes
Listera borealis - Northern twayblade
Seed Capsule Size - 6 mm x 3 mm
Listera cordata - Heart leaved twayblade
Seed Capsule Size - 4 mm x 2 mm
