. "Isotria verticillata"@en . . . "Isotria verticillata, the Large whorled pogonia orchid, is a species native to much of the eastern part of the United States, from Maine to Texas. It is found in acidic soils in forests and in peat bogs.Isotria verticillata is a terrestrial herb spreading by underground rhizomes. Leaves are green above, waxy and a bit whitened below. Flowers are yellowish-green, up to 110 mm (4.3 inches) across."@en . . . "*Odonectis verticillata ((Muhl. ex Willd.) Raf.)" . "*Arethusa verticillata (Muhl. ex Willd. )" . . . . . "*Pogonia verticillata (Muhl. ex Willd.) Nutt.)" . "*Pogonia verticillata var. medeoloides (Eaton)" . .