| Genus - Species - - Year | Subgenus Section Subsection Series | Distribution | #descendants | #photos |
|---|---|---|---|---|
| Aplectrum hyemale 1818 | E. Canada to EC. & E. U.S.A. | 3 | ||
| Calopogon oklahomensis 1995 | C. & SE. U.S.A. | |||
| Calopogon tuberosus 1888 | E. Canada to EC. & E. U.S.A., Bahamas to Cuba | 7 | 19 | |
| Corallorhiza odontorhiza 1818 | SE. Canada, NC. & E. U.S.A. to C. America | 2 | ||
| Corallorhiza wisteriana 1829 | U.S.A. to Mexico | |||
| Cypripedium kentuckiense 1981 | Sec. Cypripedium Subsec. Cypripedium | SE. Oklahoma to SE. U.S.A. | 35 | 23 |
| Cypripedium parviflorum 1791 | Subarctic America to U.S.A. | 34 | 9 | |
| Epipactis gigantea 1839 | SW. Canada to N. Mexico | 8 | 5 | |
| Galearis spectabilis 1833 | E. Canada to NC. & E. U.S.A. | 9 | ||
| Goodyera pubescens 1813 | SE. Canada to EC. & E. U.S.A. | 5 | 10 | |
| Habenaria repens 1818 | Sec. Leptoceras | C. & SE. U.S.A. to Trop. America | 7 | |
| Hexalectris spicata 1904 | EC. & S. U.S.A. | 20 | ||
| Iris domestica 2005 | Himalaya to Japan and Philippines | |||
| Isotria verticillata 1808 | SE. Ontario to C. & E. U.S.A. | 7 | ||
| Liparis liliifolia 1825 | SE. Canada to NC. & E. U.S.A. | 1 | 9 | |
| Malaxis unifolia 1803 | E. Canada, C. & E. U.S.A. to C. America, Caribbean | 2 | ||
| Neottia bifolia 2009 | SE. Canada to E. Texas | |||
| Platanthera ciliaris 1835 | S. Ontaria to C. & E. U.S.A. | 9 | 12 | |
| Platanthera clavellata 1972 | E. Canada to C. & E. U.S.A. | 1 | 4 | |
| Platanthera flava 1835 | E. Canada to EC. & SE. U.S.A. | 12 | ||
| Platanthera lacera 1839 | SC. & E. Canada to EC. & E. U.S.A., Costa Rica | 3 | 3 | |
| Platanthera leucophaea 1835 | E. Canada to NC. & E. U.S.A. | 2 | 9 | |
| Platanthera praeclara 1986 | S. Canada to NC. U.S.A. | 2 | ||
| Pogonia ophioglossoides 1816 | C. Canada to EC. & E. U.S.A. | 1 | 14 | |
| Spiranthes cernua 1817 | E. Canada to C. & E. U.S.A. | 1 | 9 | |
| Spiranthes lacera 1833 | C. & E. Canada to C. & E. U.S.A. | 3 | 2 | |
| Spiranthes lacera var. gracilis 1975 | S. Ontario to C. & E. U.S.A. | 1 | 1 | |
| Spiranthes magnicamporum 1973 | S. Canada to C. & EC. U.S.A. | 2 | ||
| Spiranthes odorata 1840 | SE. U.S.A. to SE. Oklahoma | 1 | 11 | |
| Spiranthes ovalis 1840 | Ontario to EC. & SE. U.S.A. | 1 | 1 | |
| Spiranthes ovalis var. erostellata 1983 | Ontario to EC. & SE. U.S.A. | |||
| Spiranthes praecox 1890 | New Jersey to E. Texas | 2 | 5 | |
| Spiranthes tuberosa 1833 | E. & EC. U.S.A. | 1 | 8 | |
| Spiranthes vernalis 1845 | E. & EC. U.S.A. to Guatemala, Bahamas | 3 | 7 | |
| Tipularia discolor 1818 | EC. & E. U.S.A. | 8 | ||
| Triphora trianthophoros 1901 | SE. Canada, EC. & E. U.S.A. to C. America | 13 |