| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fabaceae | Trifolium alexandrinum | Egyptian Clover | Wildlife food plots, pastures, disturbed areas. | Native of w. Asia. | |
| Fabaceae | Trifolium amphianthum | Peanut Clover | Sandy prairies. | W. LA and e. TX. | |
| Fabaceae | Trifolium angustifolium | Narrowleaf Crimson Clover | Disturbed areas, waste areas near wool-combing mills, perhaps only a waif. | Native of Mediterranean Europe and w. Asia. Reported for SC (Kartesz 1999), based on specimen at NCU. |  |
| Fabaceae | Trifolium arvense | Rabbitfoot Clover | Disturbed areas, shale barrens. | Native of the Mediterranean region. |  |
| Fabaceae | Trifolium aureum | Large Hop Clover, Yellow Clover, Golden Hop Clover | Fields, roadsides, disturbed areas. | Native of Eurasia. |  |
| Fabaceae | Trifolium bejariense | Bejar Clover | Prairies, post oak savannas. | Sw. AR and w. LA west to e. TX. | |
| Fabaceae | Trifolium calcaricum | Running Glade Clover | Limestone glades, woodlands, and barrens. | In c. TN (Chester, Wofford, & Kral 1997) and sw. VA. |  |
| Fabaceae | Trifolium campestre | Hop Clover | Roadsides, fields, lawns, disturbed areas. | Native of Eurasia. |  |
| Fabaceae | Trifolium carolinianum | Wild White Clover, Carolina Clover | Open woodlands, woodland edges, pine savannas, thin soils around rock outcrops, disturbed areas. | Se. NC south to n. FL, west to MO, OK, and c. TX. reports from north of NC are either misidentifications or waifs. |  |
| Fabaceae | Trifolium cernuum | Nodding-head Clover | Waste areas near wool-combing mills, perhaps only a waif. | Native of Mediterranean Europe and n. Africa. |  |
| Fabaceae | Trifolium depauperatum var. depauperatum | Cowbag Clover, Balloon-sack Clover, Poverty Clover | Waste areas near wool-combing mills, perhaps only a waif. | Native of w. North America (BC south to CA). |  |
| Fabaceae | Trifolium dubium | Low Hop Clover, Little Hop Clover | Roadsides, lawns, disturbed areas. | Native of Europe. |  |
| Fabaceae | Trifolium echinatum | Prickly Clover | Disturbed areas, roadsides. | Native of Mediterranean Europe, n. Africa, and w. Asia. | |
| Fabaceae | Trifolium fragiferum | Strawberry Clover | Disturbed areas. | Native of Middle East. Introduced in c. GA (Jones & Coile 1988) and reported from an old collection from se. PA (Rhoads & Klein 1993). |  |
| Fabaceae | Trifolium glomeratum | Cluster Clover | Wool waste, other disturbed areas. | Native of Mediterranean region. |  |
| Fabaceae | Trifolium gracilentum | Waste areas near wool-combing mills, perhaps only a waif. | Native of w. North America. |  | |
| Fabaceae | Trifolium hirtum | Rose Clover | Roadsides, fields, disturbed areas. | Native of Eurasia and n. Africa. A report for VA has no documentation. |  |
| Fabaceae | Trifolium hybridum | Alsike Clover | Lawns, fields, roadsides, disturbed areas. | Native of Europe. |  |
| Fabaceae | Trifolium incarnatum | Crimson Clover | Fields, disturbed areas. | Native of Europe. |  |
| Fabaceae | Trifolium kentuckiense | Kentucky Clover | Dry limestone woodlands. | So far as is known, endemic to 2 counties in the Bluegrass Region of Kentucky (Fayette, Franklin, and Woodford counties) (Chapel & Vincent 2013; M. Brock, pers.comm., Feb 2024). Some old specimens from c. TN may represent this species and are under study. |  |
| Fabaceae | Trifolium lappaceum | Lappa Clover, Burdock Clover | Disturbed areas. | Native of Mediterranean Eurasia and Africa. |  |
| Fabaceae | Trifolium medium | Zigzag Clover | Disturbed areas, fields, roadsides. | Native of Europe. Reported as introduced in MD, NJ, and NY (Kartesz 2022; Vincent & Gillett 2023). | |
| Fabaceae | Trifolium michelianum | Big-flower Clover | Cultivated only (Vincent & Gillett 2023). | Native of Mediterranean Europe. | |
| Fabaceae | Trifolium nigrescens | Ball Clover, Small White Clover | Disturbed areas. | Native of Mediterranean Europe and n. Africa. Introduced in c. TN (Chester, Wofford, & Kral 1997). |  |
| Fabaceae | Trifolium ochroleucon | Sulphur Clover | Waif on ballast at old seaport. | Native of Europe. | |
| Fabaceae | Trifolium ornithopodioides | Birdsfoot Fenugreek, Bird Clover | Waif at old seaport. | Native of Europe. | |
| Fabaceae | Trifolium pratense | Red Clover | Fields, roadsides, disturbed areas. | Native of Europe. |  |
| Fabaceae | Trifolium reflexum | Buffalo Clover | Open woodlands, woodland edges, dry shaly places. | NJ, PA, OH, IN, IL, IA, and se. NE south to FL, AL, MS, LA, and e. TX. This species appears to have declined very significantly in recent decades across most or all of its distribution. |  |
| Fabaceae | Trifolium repens | White Clover, Dutch Clover, Ladino Clover | Lawns, roadsides, disturbed areas. | Native of Eurasia. |  |
| Fabaceae | Trifolium resupinatum | Persian Clover, Reversed Clover | Lawns and disturbed areas. | Native of Mediterranean region and w. Asia. |  |
| Fabaceae | Trifolium scabrum | Rough Clover | Disturbed dunes, railroad tracks, other disturbed areas. | Native of Mediterranean Europe. |  |
| Fabaceae | Trifolium spumosum | Pink Clover | Disturbed areas. | Native of Mediterranean Europe. | |
| Fabaceae | Trifolium squamosum | Sea Clover | Waif on ballast and in disturbed areas. | Native of Europe. | |
| Fabaceae | Trifolium stoloniferum | Running Buffalo-clover | Openings in rich mesic woodlands, often associated with streambanks and floodplains; typically over calcareous substrates. | Sw. PA, WV, OH, n. IN, IL, MO, and e. KS, south to KY and AR, now extirpated from significant portions of its range. |  |
| Fabaceae | Trifolium striatum | Knotted Clover | Roadsides, disturbed areas, waste areas near wool-combing mills. | Native of Europe. |  |
| Fabaceae | Trifolium subterraneum | Subterranean Clover | Disturbed areas, waste areas near wool-combing mills. | Native of Europe, Asia, and n. Africa. Reported for NC and SC by Isely (1990); reported for Piedmont of GA by Jones & Coile (1988), and collected in MS (Stone County) (S.W. Leonard, pers. comm. 2007). |  |
| Fabaceae | Trifolium tomentosum | Woolly Clover | A waif in waste areas near wool-combing mills and old seaports. | Native of Mediterranean region. Reported for NC by Isely (1998), here presumed to be a mistake for SC. |  |
| Fabaceae | Trifolium vesiculosum | Arrowleaf Clover | Roadsides, disturbed areas. | Native of s. Europe. First reported for SC by Hill & Horn (1997). |  |
| Fabaceae | Trifolium virginicum | Kates Mountain Clover, Shale-barren Clover | Shale barrens, also on outcrops or glades over limestone, diabase, and ultramafic rocks. | Sc. PA through w. MD south to w. VA and e. WV. |  |
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