| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Convolvulaceae | Stylisma abdita | Showy Dawnflower | Florida scrub. | Ne. Florida (Clay County) south to sw. Florida. | ![]() (c) Ward, Scott G |
| Convolvulaceae | Stylisma angustifolia | Narrowleaf Dawnflower | Longleaf pine sandhills. | SE. North Carolina south to c. peninsular Florida, west to w. Panhandle Florida. | ![]() (c) Keim, Mary - CC-BY-NC-SA, permission granted to NCBG |
| Convolvulaceae | Stylisma aquatica | Water Dawnflower | Clay-based Carolina bays, wet pine savannas, margins of pineland ponds (vernal pools). | Se. and sc. North Carolina south to c. Florida and Panhandle Florida, west to se. Arkansas and e. Texas. | ![]() (c) Witsell, Theo - CC-BY-NC, permission granted to NCBG |
| Convolvulaceae | Stylisma humistrata | Southern Dawnflower | Longleaf pine sandhills, dry hammocks, and other dry woodlands, especially on dryish stream terraces. | Se. Virginia south to Panhandle Florida, west to Arkansas and e. Texas, north in the interior to n. Alabama and w. Tennessee. | ![]() (c) Fleming, Gary P. |
| Convolvulaceae | Stylisma patens | Common Dawnflower | Longleaf pine sandhills and other relatively dry sandy areas. | E. North Carolina south to n. Florida, and west to s. Mississippi; reports from west of the Mississippi River are misidentifications. | ![]() (c) Keim, Mary - CC-BY-NC-SA, permission granted to NCBG |
| Convolvulaceae | Stylisma pickeringii var. pattersonii | Patterson's Dawnflower | Longleaf pine sandhills, dry sandy prairies, open sandy woodlands, other dry sandy habitats. | Illinois and Iowa south through Kansas and Oklahoma to w. Louisiana and e. Texas; disjunct in w. Mississippi (the material somewhat ambiguous as to varietal affinity). | ![]() (c) Marcum, Paul |
| Convolvulaceae | Stylisma pickeringii var. pickeringii | Pickering's Dawnflower | Longleaf pine sandhills, usually in the driest, most barren, deep-sand areas, occasionally colonizing dry, disturbed areas in sandhills, such as sandy roadbanks, known from the Fall-line Sandhills, aeolian rims of Carolina bays, and sandhills on relict riverine dunes along Coastal Plain rivers. | Var. pickeringii ranges from s. North Carolina south through South Carolina, Georgia, Alabama, and e. Mississippi, with a disjunct area in the Pine Barrens of s. New Jersey, sometimes treated as a separate variety "caesariensis" (see synonymy). | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Convolvulaceae | Stylisma villosa | Hairy Dawnflower | Longleaf pine sandhills, Florida scrub. | S. Georgia south to s. Florida, west to e. Texas. | ![]() (c) Horn, Jay |







