| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Orchidaceae | Hexalectris arizonica | Arizona Crested Coralroot | Oak, pine, or juniper woodlands. | E. TX, NM, and AZ south to Mexico. | |
| Orchidaceae | Hexalectris nitida | Shining Crested Coralroot | Juniper woodlands. | E. and c. TX west to NM, south into Mexico (COA, OAX, TAM). | |
| Orchidaceae | Hexalectris spicata | Crested Coralroot, Brunetta | Dry forests and woodlands, especially over mafic or calcareous rocks, such as diabase, gabbro, calcareous siltstone, and dolomite (though sometimes in distinctly acid situations), shell middens. | MD, OH, and MO south to s. FL, w. and s. TX, and ne. Mexico. McAvoy (2021) documents the species' modern occurrence in e. MD. |  |
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