All the Lady’s Slippers of Minnesota:

Showy Lady’s Slipper, Cypripedium reginae
Moccasin Flower/Pink Lady’s Slipper/Stemless Lady’s Slipper, C. acaule
Large Yellow Lady’s Slipper, C. parviflorum var. pubescens
Small Yellow Lady’s Slipper, C. parviflorum var. makasin
Small White Lady’s Slipper, C. candidum
Ram’s Head Lady’s Slipper, C. arietinum