| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fumariaceae | Corydalis micrantha ssp. micrantha | Slender Corydalis | Circumneutral rock outcrops and adjacent glades and woodlands, also in disturbed areas (in DE). | C. micrantha (in the narrow sense) is primarily midwestern, ranging from Illinois, Wisconsin, Minnesota, and South Dakota south to Arkansas, Texas, and Oklahoma, with disjunct outliers in e. Tennessee and w. North Carolina. |  (c) Marcum, Paul |
| Fumariaceae | Corydalis micrantha ssp. texensis | Texas Fumewort | Alluvial areas. | S. Texas and rarely e. Texas, south into ne. Mexico (Tamaulipas, Veracruz). |