| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fabaceae | Crotalaria alata | Winged Rattlebox | Suburban woodlands. | Native of Himalayan Asia. Collected as an escape in Gainesville, Florida in 1939 and not seen since (Nesom 2023b). | |
| Fabaceae | Crotalaria angulata | Two-flower Rattlebox | Chrome ore piles, as a waif. | Native of s. Asia. Reported by Reed (1964). | |
| Fabaceae | Crotalaria avonensis | Avon Park Rattlebox, Avon Park Harebells | Florida scrub. | Endemic to c. Florida peninsula (Highlands and Polk counties). |  (c) Ward, Scott G |
| Fabaceae | Crotalaria incana var. incana | Shake-shake, Velvety Rattlebox | Disturbed areas. | Native of the tropics, variously interpreted as pantropical or only Paleotropical. Also in peninsular Florida, from Alachua County southward. |  (c) Montes de Oca, Joseph - CC-BY-NC, permission granted to NCBG |
| Fabaceae | Crotalaria juncea | Sunn Hemp | Roadsides, also grown as a crop, and occurring as a waif in field edges (W. Barger, pers. comm., 2012; Zomlefer et al. 2018). | Probably native of s. Asia. |  (c) Danielson, Erik |
| Fabaceae | Crotalaria lanceolata ssp. lanceolata | Lanceleaf Rattlebox | Sandy fields, roadsides, other disturbed areas. | Native of e. Africa. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Fabaceae | Crotalaria linaria | Coastal dunes, dry pinelands. | S. peninsular Florida, keys, north along the coasts, to Pinellas County on the west and Palm Beach County on the east. |  © Duke Herbarium staff | |
| Fabaceae | Crotalaria maritima | Low Rattlebox, Rabbitbells | Sandy forests and woodlands, roadsides. | E. South Carolina south to s. Florida, and west to e. Louisiana, endemic to the Southeastern Coastal Plain. |  © Scott Ward |
| Fabaceae | Crotalaria ochroleuca | Slenderleaf Rattlebox | Roadsides and sandy fields. | Native of subSaharan Africa. |  (c) Bradley, Keith |
| Fabaceae | Crotalaria pallida var. obovata | Smooth Rattlebox | Roadsides and fields. | Native of Africa. |  (c) Bradley, Keith |
| Fabaceae | Crotalaria pumila | Low Rattlebox | Beach dunes, coastal grasslands, coastal strands, pine rocklands, disturbed uplands. | Florida peninsula; West Indies; Texas, Arizona, and New Mexico south through Mexico and Central America to South America. |  (c) Bradley, Keith |
| Fabaceae | Crotalaria purshii | Coastal Plain Rattlebox, Pursh's Rattlebox | Mesic to dry pinelands, sandy openings, roadsides. | A Southeastern Coastal Plain endemic: se. Virginia south to n. Florida, c. peninsular Florida, and west to e. Louisiana, with scattered locations inland. |  (c) Sorrie, Bruce A. - CC-BY |
| Fabaceae | Crotalaria retusa | Rattleweed | Disturbed areas. | Native of the Old World tropics. |  (c) Horn, Jay |
| Fabaceae | Crotalaria rotundifolia | Low Rattlebox, Rabbitbells | Sandy forests and woodlands, roadsides. | Se. Virginia south to c. peninsular Florida, west to se. Louisiana; also widespread in Mexico and Central America. |  (c) Sorrie, Bruce A. - CC-BY |
| Fabaceae | Crotalaria sagittalis var. sagittalis | Common Rattlebox | Woodlands, woodland edges, barrens, prairies, openings, fields. | Massachusetts and Vermont west to s. Michigan, s. Wisconsin, and c. Minnesota, south to c. South Carolina, s. Alabama, s. Mississippi, Texas, Mexico and Central America; West Indies. |  (c) Fleming, Gary P. |
| Fabaceae | Crotalaria spectabilis | Showy Rattlebox | Fields, roadsides, disturbed areas. | Native of s. and se. Asia. |  (c) Sorrie, Bruce A. - CC-BY |
| Fabaceae | Crotalaria trichotoma | Zanzibar Rattlebox, Curara Pea | Roadsides, disturbed areas. | Native of subSaharan Africa. |  (c) Lin, Cheng-Tao - CC-BY |
| Fabaceae | Crotalaria verrucosa | Blue Rattlebox, Purple Popbush | Disturbed areas. | Native of tropical s. and se. Asia and Oceania. | |
| Fabaceae | Crotalaria virgulata ssp. grantiana | Grant's Rattlebox | Disturbed areas. | Native of s. Africa. |