| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Euphorbiaceae | Stillingia aquatica | Corkwood, Water Toothleaf | Ponds in pine flatwoods, ponded interdune swales, marl prairies. | Se. SC south to s. FL, west to sw. AL. |  |
| Euphorbiaceae | Stillingia sylvatica | Queen's-delight | Longleaf pine sandhills, dryish Coastal Plain woodlands, other dry woodlands. | Se. VA south to s. FL, west to s. TX, s. NM, and Mexico (COA, MIC, TAM), north in the interior to KS and se. CO. Apparently disjunct inland in KY, based on a well-documented occurrence found by C.W. Short in 1840: "rare -- barrens of Kentucky" (M. Brock, pers.comm., 2024). |  |
| Euphorbiaceae | Stillingia tenuis | Rockland Queen's Delight | Pine rocklands, mesic to wet pine flatwoods, and margins of marl prairies. | Endemic to c. and s. FL. |  |
| Euphorbiaceae | Stillingia texana | Texas Stillingia | Rocky calcareous soils, calcareous prairies. | Sc. OK south through TX to n. Mexico (n. COA). |  |
| Euphorbiaceae | Stillingia treculiana | Trécul's Toothleaf | Gravelly soils, especially calcareous. | C. TX and s. TX south into Mexico (CHH, COA, NLE, SLP, TAM). |  |
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