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.