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) Calopogon tuberosus (Grass-pink orchid) Three shades of Calopogon tuberosus in the bog gar… Calopogon tuberosus orchid (white form) Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon tuberosus orchid (white form) Calopogon tuberosus orchid Calopogon tuberosus orchid Calopogon pallidus Cypripedium acaule (Pink Lady's-slipper orchid) Pogonia ophioglossoides orchid Calopogon barbatus orchid Calopogon barbatus orchid Calopogon barbatus orchid Calopogon barbatus orchid Calopogon barbatus orchid Calopogon barbatus orchid Calopogon barbatus orchid