| elegant habenaria | (n) slender inland rein orchid similar to coastal rein orchid but with pale greenish-yellow flowers, Syn. Habenaria elegans |
| habenaria | (n) chiefly terrestrial orchids with tubers or fleshy roots often having long slender spurs and petals and lip lobes; includes species formerly placed in genus Gymnadeniopsis, Syn. genus Habenaria |
| alaska rein orchid | (n) similar to coastal rein orchid but with smaller flowers; Alaska to Baja California and east to the Dakotas and Colorado, Syn. Habenaria unalascensis |
| bog rein orchid | (n) orchid with spikes of many fragrant white flowers on erect leafy stems; of wet or boggy ground through most of the West and northern North America, Syn. Habenaria dilatata, bog candles |
| coastal rein orchid | (n) stout orchid of central California to northern Washington having racemes of white fragrant bilaterally symmetrical flowers, Syn. Habenaria greenei |
| greater butterfly orchid | (n) south European orchid with dark green flowers that are larger and less fragrant than Platanthera bifolia; sometimes placed in genus Habenaria, Syn. Habenaria chlorantha, Platanthera chlorantha |
| hooker's orchid | (n) a long-spurred orchid with base leaves and petals converging under the upper sepal, Syn. Habenaria hookeri |
| lesser butterfly orchid | (n) south European orchid having fragrant greenish-white flowers; sometimes placed in genus Habenaria, Syn. Habenaria bifolia, Platanthera bifolia |
| prairie orchid | (n) orchid of boggy or wet lands of north central United States having racemes of very fragrant creamy or greenish white flowers, Syn. Habenaria leucophaea, prairie white-fringed orchis |
| purple-fringed orchid | (n) North American orchid with clusters of fragrant purple fringed flowers, Syn. Habenaria psycodes, purple-fringed orchis |
| purple-fringed orchid | (n) North American orchid similar to Habenaria psycodes with larger paler flowers, Syn. Habenaria fimbriata, purple-fringed orchis |
| purple fringeless orchid | (n) orchid of northeastern and alpine eastern North America closely related to the purple fringed orchids but having rosy-purple or violet flowers with denticulate leaf divisions, Syn. Habenaria peramoena, purple fringeless orchis |
| ragged orchid | (n) fringed orchid of the eastern United States having a greenish flower with the lip deeply lacerated, Syn. ragged orchis, ragged-fringed orchid, green fringed orchis, Habenaria lacera |
| round-leaved rein orchid | (n) orchid having a raceme of large greenish-white flowers on a single flower stalk growing between two elliptic or round basal leaves lying on the ground; from northern Oregon and Montana across Canada to the eastern United States, Syn. Habenaria orbiculata |
| snowy orchid | (n) slender fringed orchid of eastern North America having white flowers, Syn. Habenaria nivea |
| white fringed orchis | (n) bog orchid of eastern North America with a spike of pure white fringed flowers, Syn. white fringed orchid, Habenaria albiflora |