Cypripedium parviflorum

Cypripedium parviflorum Salisb.
Engl.: small yellow lady's slipper, American valerian, ladies'-slipper, lesser yellow lady's slipper, nerve-root, Noah's ark, small-flowered ladies' slipper, yellow ladies'-slipper, yellow moccasin-flower.
Deu.: Kleinblütiger Frauenschuh, Behaarter Frauenschuh.
Bot. syn.: Calceolus parviflorus (Salisb.) Nieuwl., Criosanthes parviflora (Salisb.) Raf.