| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Caryophyllaceae | Paronychia americana | American Whitlow-wort | Longleaf pine sandhills, Florida scrub. | S. South Carolina south to Georgia and s. Florida. |  (c) Horn, Jay |
| Caryophyllaceae | Paronychia argyrocoma | Silverling, Silver Whitlow-wort | Thin soils of rock outcrops, especially on mountain summits at medium to high elevations, disjunct to a few Piedmont monadnocks. | A characteristic component of the summit flora of Southern Appalachian peaks, P. argyrocoma occurs in the mountains of New England (Maine, New Hampshire, Vermont, and Massachusetts), and in the Southern Appalachians of West Virginia, Virginia, North Carolina, Tennessee, n. Georgia (Jones & Coile 1988), and n. Alabama. |  (c) Bridges, Edwin |
| Caryophyllaceae | Paronychia baldwinii ssp. baldwinii | Annual Dune Whitlow-wort | Dry sandy sites, woodlands or dunes. | E. North Carolina south to c. peninsular Florida and west to Alabama (and Louisiana?), on the Coastal Plain. |  (c) Powell, Eric M - CC-BY-NC, permission granted to NCBG |
| Caryophyllaceae | Paronychia baldwinii ssp. riparia | Perennial Dune Whitlow-wort | Dry sandy sites, woodlands or dunes. | Se. Virginia south to n. Florida (and Alabama?), on the Coastal Plain. |  © Clemson University Herbarium staff |
| Caryophyllaceae | Paronychia canadensis | Canada Whitlow-wort, Forked Chickweed | Dry rocky woods, shale barrens. | New Hampshire and s. Ontario west to Minnesota, south to n. Georgia (Jones & Coile 1988), Alabama, n. Arkansas, c. Louisiana, and Kansas. |  (c) Fleming, Gary P. |
| Caryophyllaceae | Paronychia chartacea | Paper Nailwort | Florida scrub and sandhills, occurring in both xeric white and yellow sands. | Endemic to the Florida peninsula, primarily occurring on the Lake Wales Ridge. |  (c) Ward, Scott G |
| Caryophyllaceae | Paronychia discoveryi | Florida scrub and scrubby flatwoods, interior dunes, and longleaf pine sandhills. | Endemic to Florida (at least Brevard, Hardee, Lake, Orange, St. Johns, and Volusia counties). |  (c) Powell, Eric M - CC-BY-NC, permission granted to NCBG | |
| Caryophyllaceae | Paronychia drummondii | Drummond's Nailwort | Longleaf pine savannas, dunes. | Oklahoma south to w. Louisiana e. Texas, and s. Texas. |  (c) Hill, Sonnia |
| Caryophyllaceae | Paronychia erecta var. corymbosa | Hairy Squareflower | Coastal dunes. | Panhandle Florida west to se. Louisiana. |  (c) McFarland, Will - CC-BY |
| Caryophyllaceae | Paronychia erecta var. erecta | Smooth Squareflower | Coastal dunes. | Panhandle Florida west to s. Mississippi. |  (c) Weakley, Alan |
| Caryophyllaceae | Paronychia fastigiata var. fastigiata | Common Forked Whitlow-wort | Dry, usually rocky, woodlands, often on thin soil around outcrop edges. | Massachusetts and Vermont west to se. Minnesota, south to Panhandle Florida and e. Texas. |  (c) Finzel, Brian - CC-BY-SA |
| Caryophyllaceae | Paronychia fastigiata var. nuttallii | Pennsylvania Forked Whitlow-wort | Dry woods. | New York, sc. Pennsylvania, n. Virginia, West Virginia, e. Tennessee, and w. North Carolina. The map is speculative. | |
| Caryophyllaceae | Paronychia fastigiata var. paleacea | Green Forked Whitlow-wort | Dry, mostly rocky woodlands. | New Jersey, Delaware, and Pennsylvania west to Illinois, south to Virginia, North Carolina, Kentucky, Tennessee, Missouri, and Texas. Mapping is particularly speculative. |  © Carnegie Museum Herbarium staff |
| Caryophyllaceae | Paronychia herniarioides | Michaux's Whitlow-wort | Sand barrens, longleaf pine sandhills, Florida scrub. | Sc. North Carolina south to c. peninsular Florida and e. Panhandle Florida. The occurrence of this species in North Carolina (cited by Small, Chaudhri, and FNA) is based on the type specimen of André Michaux ("in arenosis aridis Carolinae septentrionalis"); the species has been relocated in North Carolina (Scotland County) by Harry E. LeGrand, Jr, over two centuries later, apparently very close to where Michaux must have encountered it. |  (c) Horn, Jay |
| Caryophyllaceae | Paronychia jamesii | James's Nailwort | Rocky or sandy open areas, prairies and pastures, especially over calcareous rocks. | Nebraska and se. Wyoming south through Kansas, Oklahoma, and Colorado to Texas, New Mexico, Arizona, and Mexico (Chihuahua, Coahuila, Nuevo León, Sonora). |  (c) Galley, Catherine C. - CC-BY |
| Caryophyllaceae | Paronychia jonesii | Jones's Nailwort | Dunes, mesquital, dry grasslands. | Endemic in s. Texas. | |
| Caryophyllaceae | Paronychia lindheimeri | Lindheimer's Nailwort | Rocky, sandy, or gravelly dry areas. | Mainly c. Texas, south into Mexico. |  (c) Wong, Michelle - CC-BY |
| Caryophyllaceae | Paronychia lundelliorum | Lundells' Nailwort | "In tight sandy soils over saline clay on microhighs within salty prairie grasslands dominated by Spartina spartinae and in upper portions of saline flats surrounding short drainages and brackish basins typical of the South Texas Sand Sheet" (Poole, Carr, & Price 2007). | Endemic to s. Texas (Brooks, Kenedy, and Kleberg counties). | |
| Caryophyllaceae | Paronychia minima | Crystal Lake Nailwort | White sand of exposed karst lake shores. | Endemic to the Panhandle Florida (Bay and Washington counties). |  (c) Budach, Brett - CC-BY-NC, permission granted to NCBG |
| Caryophyllaceae | Paronychia montana | Shale-barren Whitlow-wort | Dry rock outcrops and talus barrens, especially on shale barrens. | C. Pennsylvania (and Ohio?) south through w. Virginia and e. West Virginia to a few localities in North Carolina, Tennessee, Georgia, and Alabama. |  (c) Ward, Scott G |
| Caryophyllaceae | Paronychia patula | Pineland Nailwort | Longleaf pine sandhills, sandy disturbed areas. | Sw. Georgia west to s. Alabama, south to c. peninsular Florida. |  (c) Ward, Scott G |
| Caryophyllaceae | Paronychia rugelii | Sand-squares, Rugel's Nailwort | Longleaf pine sandhills, pine flatwoods. | S. Georgia and se. Alabama south to c. peninsular Florida. |  (c) Horn, Jay |
| Caryophyllaceae | Paronychia scoparia | Texas Whitlow-wort | Limestone outcrops. | Arkansas and sw. Missouri (McDonald County) south to e. and sc. Texas and Coahuila. |  (c) Wong, Michelle - CC-BY |
| Caryophyllaceae | Paronychia setacea | Bristle Nailwort | Grasslands. | E., c. and s. Texas. |  (c) Knight, Eric - CC-BY |
| Caryophyllaceae | Paronychia virginica | Virginia Whitlow-wort | Shale barrens, rocky riversides, calcareous rock outcrops and talus, serpentine outcrops. | W. & c. Maryland, District of Columbia, w. Virginia, e. West Virginia, c. Tennessee (Cheatham County; J. Gorrell & M. Brock, pers.comm., 2024), ec. Georgia, and c. Alabama. |  (c) Sorrie, Bruce A. - CC-BY |