| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | e. | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | e. | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | s.w. | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Rhode Island | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | s.e. | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | e. | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Alabama | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Mississippi | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | North Carolina | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Virginia | | Irwin, H. S. & R. C. Barneby. 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. Mem. New York Bot. Gard. 35:832. |