Calypso bulbosa (Linnaeus) Oakes var. americana (R. Brown) Luer
Coeloglossum viride (Linnaeus) Hartman var. virescens (Muhlenberg) Luer
Corallorhiza trifida Chatelain
Cypripedium passerinum Richmond var. passerinum
Listera cordata (Linnaeus) R. Brown var. cordata
Malaxis paludosa (Linnaeus) Swartz
Platanthera dilatata (Pursh) Lindley var. dilatata
Platanthera hyperborea (Linnaeus) Lindley var. hyperborea
Spiranthes romanzoffiana Chamisso
Last revised: Friday, September 13, 1996