| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Angiospermae |
| Subclass: | Monocotyledoneae |
| Superorder: | Liliidae |
| Order: | Orchidales |
- Family
- Genus
- species – Common Name
- Calapogon
- tuberosus – Grass-pink
- Corallorhiza
- maculata – Spotted Coral-root
- odontorhiza – Fall Coral-root
- Cypripedium
- arietinum – Ram’s-head Lady’s-slipper
- calceolus – Yellow Lady’s-slipper
- reginae – Showy Lady’s-slipper
- Epipactis
- helleborine – Helleborine
- Oxalis
- acetosella – Wood-sorrel, Cuckoo Bread, Shamrock, Oxalis
- tuberosa – Oca
Burmanniaceae
Orchidaceae
