The yellow lady's slipper or Cypripedium parviflorum is an orchid used for medicinal purposes.

Yellow Lady's Slipper

The yellow lady's slipper or Cypripedium parviflorum is an orchid used for medicinal purposes.

The Pogonia affinis.

Pogonia affinis

The Pogonia affinis.

The Pogonia divaricata or rosebud orchid.

Pogonia divaricata

The Pogonia divaricata or rosebud orchid.