| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Thymelaeaceae | Dirca decipiens | Ozark Leatherwood | Calcareous bluffs, steep, dry to mesic forests and woodlands. | MO and e. KS south to nw. AR. | |
| Thymelaeaceae | Dirca palustris | Leatherwood, Leatherbark, Wicopee, Rope-bark | Very rich forests, on slopes or bottomlands, limited to calcareous or mafic rocks such as limestone, calcareous siltstone, calcareous shale, gabbro, or amphibolite, in marl ravine bottoms in the Coastal Plain of VA, in Ashe County NC ascending to 1500 meters elevation. | NS and s. QC, south to Panhandle FL, AL, and OK. |  |
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