Pogonia ophioglossoides (Rose pogonia) Pogonia ophioglossoides (Rose pogonia) Caolopgon tuberosus (Common grass-pink orchid) Caolopgon tuberosus (Common grass-pink orchid) Caolopgon tuberosus (Common grass-pink orchid) Cleistes bifaria (Small spreading pogonia orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) ra… Cypripedium acaule (Pink Lady's-slipper Orchid) ra… Cypripedium acaule (Pink Lady's-slipper Orchid) ra… Cypripedium acaule (Pink Lady's-slipper Orchid) wi… Cypripedium acaule (Pink Lady's-slipper Orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) Cypripedium acaule (Pink Lady's-slipper Orchid) Calopogon tuberosus (Common grass-pink orchid) Calopogon tuberosus (Common grass-pink orchid) whi… Spiranthes praecox (Grass leaf ladies'-tresses orc… Spiranthes vernalis (Spring ladies'-tresses orchid… Spiranthes vernalis (Spring ladies'-tresses orchid… Pogonia ophioglossoides (Rose pogonia orchid) Pogonia ophioglossoides (Rose pogonia orchid) Calopogon pallidus (Pale grass-pink orchid) Calopogon tuberosus (Common Grass-pink orchid) Calopogon tuberosus (Common Grass-pink orchid) Calopogon tuberosus (Common Grass-pink orchid) Cypripedium acaule (Pink lady's-slipper orchid) --… Cypripedium acaule (Pink lady's-slipper orchid) co… Cypripedium acaule (Pink lady's-slipper orchid) no… Cypripedium acaule (Pink lady's-slipper orchid) Cypripedium acaule (Pink lady's-slipper orchid) Cypripedium acaule (Pink lady's-slipper orchid) Cypripedium acaule (Pink lady's-slipper orchid) Cypripedium acaule (Pink lady's-slipper orchid) Pollination of Cypripedium acaule (Pink lady's-sli… ORCHIDS Magazine cover Epipatcis gigantea (Giant Stream Orchid) Orchids - Epipactis gigantea (Giant Stream Orchid) Spiranthes longilabris (Long-lipped ladies'-tresse… Spiranthes longilabris (Long-lipped ladies'-tresse… Spiranthes longilabris (Long-lipped ladies'-tresse… Spiranthes odorata (Fragrant ladies'-tresses orchi… Spiranthes odorata (Fragrant ladies'-tresses orchi… Malaxis spicata (Florida adder's mouth orchid)