| White-fringed Orchid | Platanthera | blephariglottis var. blephariglottis | | 41 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Yellow-fringed Orchid | Platanthera | ciliaris | | 68 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Small Green Wood Orchid | Platanthera | clavellata | | 120 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Crested Yellow Orchid | Platanthera | cristata | | 81 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Palegreen Orchid | Platanthera | flava | | 29 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Southern Palegreen Orchid (flava) | Platanthera | flava var. flava | | 5 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Palegreen Orchid (herbiola) | Platanthera | flava var. herbiola | | 12 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Greater Purple-fringed Orchid | Platanthera | grandiflora | | 26 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Green-fringed Orchid | Platanthera | lacera | | 162 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Lesser Roundleaf Orchid | Platanthera | orbiculata | | 44 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Purple Fringeless Orchid | Platanthera | peramoena | | 139 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Lesser Purple-fringed Orchid | Platanthera | psycodes | | 6 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |
| Shriver's Orchid | Platanthera | shriveri | | 12 | Orchidaceae | Orchidales | Magnoliopsida | Plantae |