Wild Flower Preservation Society of America, Washington, D.C. Chapter: Yellow Lady's Slipper; Cypripedium pubescens.
Wild Flower Preservation Society of America, Washington, D.C. Chapter: outlines of wildflowers by Miss M.E. Eaton. top left to right: Bloodroot, Jack-in-the-pulpit, Trillium, Marsh Marigold, Trailing Arbutus, Hapatica, Dutchman's Breeches, Adder's Tongue.
Wild Flower Preservation Society of America, Washington, D.C. Chapter: stemless ladies' slippers, Cypripedium acaule.
