Calopogon tuberosus (Linnaeus) Britt. var. tuberosus
Coeloglossum viride (Linnaeus) Hartman var. virescens (Muhlenberg) Luer
Corallorhiza maculata (Rafinesque) Rafinesque var. maculata
Corallorhiza maculata (Rafinesque) Rafinesque var. occidentalis (Lindley) Ames
Corallorhiza trifida Chatelain
Cypripedium arietinum R. Brown in Aiton
Cypripedium parviflorum Salisbury var. makasin (Farwell) Sheviak
Cypripedium parviflorum Salisbury var. pubescens (Willdenow) Knight
Goodyera oblongifolia Rafinesque
Goodyera pubescens (Willdenow) R. Brown
Goodyera repens (Linnaeus) R. Brown
Liparis loeselii (Linnaeus) Richard
Listera convallarioides (Swartz) Nuttall
Listera cordata (Linnaeus) R. Brown var. cordata
Malaxis brachypoda (Gray) Fernald
Platanthera blephariglottis (Willdenow) Lindley var. blephariglottis
Platanthera clavellata (Michaux) Luer var. clavellata
Platanthera clavellata (Michaux) Luer var. ophioglossoides (Fernald) P. M. Brown
Platanthera dilatata (Pursh) Lindley var. dilatata
Platanthera flava (Linnaeus) Lindley var. flava
Platanthera flava (Linnaeus) Lindley var. herbiola (R. Brown) Luer
Platanthera grandiflora (Bigelow) Lindley
Platanthera hookeri (Torrey) Lindley
Platanthera huronensis (Linnaeus) Lindley
Platanthera hyperborea (Linnaeus) Lindley var. hyperborea
Platanthera lacera (Michaux) G. Don
Platanthera macrophylla (Goldie) P. M. Brown
Platanthera obtusata (Banks & Pursh) Lindley
Platanthera orbiculata (Pursh) Lindley
Platanthera psycodes (Linnaeus) Lindley
Pogonia ophioglossoides (Linnaeus) Ker-Gawler var. ophioglossoides
Pogonia ophioglossoides (Linnaeus) Ker-Gawler var. brachypogon Fernald
Spiranthes casei Catling & Cruise var. casei
Spiranthes casei Catling & Cruise var. novaescotiae Catling
Spiranthes cernua (Linnaeus) L.C. Richard
Spiranthes lacera Rafinesque var. lacera
Spiranthes lucida (H. H. Eaton) Ames
Spiranthes ochroleuca (Rydberg) Rydberg
Spiranthes romanzoffiana Chamisso
Last revised: Friday, Monday, October 21, 1996