| 1 | Cypripedium | acaule | Pink Lady's Slipper | Orchids | Orchidaceae | Magnoliopsida |
| 2 | Cypripedium | candidum | Small White Lady's Slipper | Orchids | Orchidaceae | Magnoliopsida |
| 3 | Cypripedium | parviflorum var. parviflorum | Yellow Lady's Slipper | Orchids | Orchidaceae | Magnoliopsida |
| 4 | Cypripedium | reginae | Showy Lady's Slipper | Orchids | Orchidaceae | Magnoliopsida |