| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Senna monilifera H.S.Irwin & Barneby | S. Llatas Quiroz 2834 16 Jul 1990 | Peru. Cajamarca. Provincia Cutervo: El Pajonal, San Andrés. Alt. 2100 m. [W of Río Marañón]. | isotype | 4857 |  |
| Senna lindheimeriana (Scheele) H.S.Irwin & Barneby | D. E. Atha 197 08 Sep 1993 | United States of America. Texas. Hays Co. On Hays Co Rd 384, 1.6km W from intersection with Rd 222. | 1582037 |  | |
| Senna alata (L.) Roxb. | D. E. Atha 796 with T. A. Zanoni, 17 Nov 1994 | Puerto Rico. Bo. Calvache, Rte 115, 5.2km S of Rincón. | 00040755 |  | |
| Senna araucarietorum H.S.Irwin & Barneby | R. Reitz 7872 with R. M. Klein, 13 Dec 1958 | Brazil. Santa Catarina. Fazenda da Laranja, Bom Jardim, Sao Joaquim. Alt. 1400 m. | holotype | 4839 |  |
| Senna spectabilis var. excelsa (Schrad.) H.S.Irwin & Barneby | L. S. Figueiredo 462 with W. M. Andrade, 15 Sep 1998 | Brazil. Pernambuco. Fazenda Nova. Faz. Araras. | 00469907 |  | |
| Senna spectabilis var. excelsa (Schrad.) H.S.Irwin & Barneby | W. M. Andrade 50 with L. S. Figueiredo, R. G. Oliveira, 21 Jun 1998 | Brazil. Pernambuco. Fazenda Nova. Faz. Ararás. | 00469911 |  | |
| Senna spectabilis var. excelsa (Schrad.) H.S.Irwin & Barneby | C. S. S. Barros 66 with G. L. Esteves, 04 May 1991 | Brazil. Pernambuco. Município de Bom Nome, BR 232, próximo ao Km 459. | 00469909 |  | |
| Senna pendula var. ambigua H.S.Irwin & Barneby | H. C. de Lima 545 30 May 1978 | Brazil. Rio de Janeiro. Laquarema, Restinga de Jaconé. | 00469611 |  | |
| Senna pendula var. ambigua H.S.Irwin & Barneby | J. Cominote 23 Jun 1981 | Brazil. Rio de Janeiro. Parque Ecológico. | 00469608 |  | |
| Senna pendula var. ambigua H.S.Irwin & Barneby | C. F. P. von Martius 129 | Brazil. Rio de Janeiro. Prope Rio de Janeiro. | holotype | 4873 |  |
| Senna spectabilis (DC.) H.S.Irwin & Barneby var. spectabilis | W. T. Gillis 7490 08 Jan 1969 | United States of America. Florida. Fairchild Tropical Garden, x-4-349. Grown outside Garden wall along Old Cutler Road. | 1582543 |  | |
| Senna pneumatica H.S.Irwin & Barneby | A. C. Brade 17052 30 Sep 1941 | Brazil. Minas Gerais. Serra do Caparaó. Alt. 2200 m. | isotype | 4886 |  |
| Senna siamea (Lam.) H.S.Irwin & Barneby | D. E. Atha 801 with T. A. Zanoni, 18 Nov 1994 | Puerto Rico. Añasco. Bo. Barrero, Rte 429, 2.5km S of Córcega. | 40758 |  | |
| Senna uniflora (Mill.) H.S.Irwin & Barneby | D. E. Atha 740 with T. A. Zanoni, 09 Nov 1994 | Puerto Rico. Bo. Ensenada, Rte 325, 2.5km S of Ensenada. | 00040709 |  | |
| Senna multifoliolata var. mimetes H.S.Irwin & Barneby | T. B. MacDougall s.n. 06 Jan 1971 | Mexico. Oaxaca. San Miguel Suchixtepec, Miahuatlan, Río Molino. Alt. 8000 ft. | holotype | 4822 |  |
| Senna quinquangulata (Rich.) H.S.Irwin & Barneby | R. A. A. Oldeman B4186 10 Dec 1971 | French Guiana. Saül, sur la route du terrain d'aviation au 0.400. | 01776100 |  | |
| Senna quinquangulata (Rich.) H.S.Irwin & Barneby | J.-J. de Granville 2661 15 Jan 1976 | French Guiana. | |||
| Senna quinquangulata (Rich.) H.S.Irwin & Barneby | B. G. Bordenave 303 12 Oct 1992 | French Guiana. Saint-Laurent-du-Maroni. Région de Saül. | |||
| Senna quinquangulata (Rich.) H.S.Irwin & Barneby | C. E. F. von Glocker 588 1842 | Brazil. Bahia. | 00469695 |  | |
| Senna silvestris (Vell.) H.S.Irwin & Barneby | Collector unknown 2029 with [L. Riedel], Feb 1934 | Brazil. Ytú. | 00470524 |  | |
| Senna talpana H.S.Irwin & Barneby | R. McVaugh 21334 23 Nov 1960-25 Nov 1960 | Mexico. Jalisco. 11-12 mi S of Talpa de Allende, in the headwaters of a W branvh of Río de Talpa. Alt. 1200-1700 m. | isotype | 4832 |  |
| Senna spectabilis var. excelsa (Schrad.) H.S.Irwin & Barneby | W. T. Gillis 9515 21 Dec 1970 | United States of America. Florida. Miami. USDA Plant Introduction Station. | 1582544 |  | |
| Senna cornigera H.S.Irwin & Barneby | N. T. da Silva 1187 11 Oct 1968 | Brazil. Pará. Rio Jarí, Monte Dourado, Planalto B. [Pará-Amapá boundary.]. | isotype | 4850 |  |
| Senna koelziana H.S.Irwin & Barneby | R. McVaugh 1163 with W. N. Koeltz, 28 Nov 1959-30 Nov 1959 | Mexico. Jalisco. Sierra del Halo, near a lumber road leaving the Colima highway 7 mi SSW of Tecalitlán and extending SE toward San Isidro: 13-16 mi from highway. Alt. 2000-2200 m. | isotype | 4819 |  |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | J. F. Pruski 3003 22 Oct 1984 | United States of America. Louisiana. Washington Parish. Near junction of LA 438 and LA 21 in Angie. | 468529 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | L. Ede s.n. 19 Aug 1989 | United States of America. California. Riverside Co. S. of Blythe in the Palo Verde Valley, ca. 1 mile N of the Imperial County line. Norton Farms. | 468463 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. M. Andrade 37 with L. S. Figueirêdo & R. G. Oliveira, 20 Jun 1998 | Brazil. Pernambuco. Fazenda Nova. Faz. Araras. | 515589 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | L. S. Figueiredo 472 with W. M. Andrade, 15 Sep 1998 | Brazil. Pernambuco. Fazenda Nova. Faz. Araras. | 515590 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | J.-J. de Granville B4628 Oct 1981 | French Guiana. Saint-Laurent-du-Maroni. Région de Saül. | |||
| Senna obtusifolia (L.) H.S.Irwin & Barneby | H. J. Burgot 1418 02 Oct 1974 | French Guiana. Saint-Laurent-du-Maroni. Village of Saül. | |||
| Senna obtusifolia (L.) H.S.Irwin & Barneby | M.-F. Prévost 786 1979 | French Guiana. | |||
| Senna obtusifolia (L.) H.S.Irwin & Barneby | A. A. Heller 4107 with E. G. Heller, 18 Aug 1898 | United States of America. Arkansas. Lafayette Co. At Spirit Lake. | 468573 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | L. Riedel 115 1831 | Brazil. Rio de Janeiro. Brasilia. | 515594 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. H. Duncan 20455 13 Aug 1956 | United States of America. Georgia. McIntosh Co. South end of Sapelo. | 468504 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. Rhodes s.n. 01 Aug 1935 | United States of America. Georgia. Glynn Co. Brunswick. | 468507 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. S. Rhoades s.n. 01 Aug 1936 | United States of America. Georgia. Washington Co. Sanderville. | 468510 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. M. Carpenter 129 s.d. | United States of America. Louisiana. East Feliciana Parish. Jackson. | 468540 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | A. H. Curtiss 6225 01 Sep 1898 (fl.) & 30 Sep 1898 (fr.) | United States of America. Florida. Saint Johns Co. St. Augustine. | 468557 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | W. C. Brumbach 9620 15 Sep 1980 | United States of America. Florida. Lee Co. Western Sanibel Island. | 468567 |  | |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | J. L. Blodgett s.n. s.d. | United States of America. Florida. Monroe Co. Key West. | 468581 |  |