Platanthera aquilonis
| Northern green orchid |
Platanthera ciliaris
| Orange fringed orchid |
Platanthera clavellata
| Small green wood orchid; Little clubspur-orchid |
Platanthera dilatata
| Tall white orchid |
Platanthera dilatata var. dilatata
| Leafy white orchis; Leafy white bog-orchid |
Platanthera flava
| Southern rein orchid |
Platanthera flava var. flava
| Southern tubercled orchid |
Platanthera flava var. herbiola
| Northern tubercled orchid |
Platanthera hookeri
| Hooker's orchid |
Platanthera hyperborea
| Northern green orchid |
Platanthera lacera
| Green fringed orchid |
Platanthera leucophaea
| Prairie white fringed orchid |
Platanthera orbiculata
| Round-leaved orchid; Small round-leaved rein-orchid |
Platanthera peramoena
| Purple fringeless orchid |
Platanthera psycodes
| Purple fringed orchid |