| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Senna roemeriana (Scheele) H.S.Irwin & Barneby | Biltmore Herbarium 6955a 25 Jun 1903 | United States of America. Texas. Marble Falls. | 1582470 |  | |
| Senna hirsuta var. leptocarpa (Benth.) H.S.Irwin & Barneby | L. Riedel 1291 with Lund, Apr 1833 | Brazil. Rio de Janeiro. Perto Pertininga. | 582883 |  | |
| Senna roemeriana (Scheele) H.S.Irwin & Barneby | J. Reverchon s.n. Jun 1877 | United States of America. Texas. Dallas. | 1582472 |  | |
| Senna guatemalensis var. calcarea H.S.Irwin & Barneby | J. R. Sullivan 548 22 Jun 1971 | Mexico. Tamaulipas. Municipio de Gómez Farias. Sierra de Guatemala. Alt. 4800-5700 ft. | holotype | 4815 |  |
| Senna | P. Romero 4 with Daniel E. Atha & Benjamin Poulter, 09 Apr 1999 | Belize. Cayo. Side of Western Highway, behind (west) airstrip of BDF camp west of Central Farm. 100 yards West of mile 63. | |||
| Senna mucronifera (Benth.) H.S.Irwin & Barneby | L. Riedel 20 with B. Luschnatt, Feb 1934 | Brazil. São Paulo. Ytú. | 470528 |  | |
| Senna rugosa (G.Don) H.S.Irwin & Barneby | S. M. de Faria 1917 with Eduardo Matias de Souza, 04 Oct 1999 | Brazil. Natal BR 251. 150 km de Aracaju - Divisa Alegre - Montes Claros. | 00469693 |  | |
| Senna rugosa (G.Don) H.S.Irwin & Barneby | J. Mattos 16304 with N. Mattos, 04 Apr 1974 | Brazil. São Paulo. Peto de Pinhal. | 469778 |  | |
| Senna rugosa (G.Don) H.S.Irwin & Barneby | L. Riedel 1947 Jan-Mar 1834 | Brazil. São Paulo. St. Carlos et Ypanema. | 469777 |  | |
| Senna rizzinii H.S.Irwin & Barneby | D. de Andrade-Lima 593407 14 Nov 1959 | Brazil. Pernambuco. Camocin de Sao Felix. | 469730 |  | |
| Senna rizzinii H.S.Irwin & Barneby | D. de Andrade-Lima 66-4710 26 Jul 1966 | Brazil. Pernambuco. Panelas, alto da serra, entre Panelas e Cruzes. | 469729 |  | |
| Senna rizzinii H.S.Irwin & Barneby | M. de F. Agra 1949 with E. A. Rocha e E. Locatelli, 16 Apr 1993 | Brazil. Paraíba. Serra de Teixeira, Pido do Jabre. | 469732 |  | |
| Senna rizzinii H.S.Irwin & Barneby | M. de F. Agra 1942 with E. A. Rocha e E. Locatelli, 16 Apr 1993 | Brazil. Paraíba. Serra de Teixeira, Pido do Jabre. | 469733 |  | |
| Senna | 05181203 |  | |||
| Senna polyphylla var. neglecta H.S.Irwin & Barneby | N. L. Britton 1034 with W. C. Fishlock, 19 Feb 1913-20 Feb 1913 | Virgin Islands (U.K.). Near settlement, Anagada [Anegada] Island. | 4836 |  | |
| Senna pallida var. tuerckheimiana H.S.Irwin & Barneby | H. von Türckheim 1422 Sep 1888 | Guatemala. Baja Verapaz. Sant Rosa. Alt. 5000 ft. | isotype | 4827 |  |
| Senna pallida var. tuerckheimiana H.S.Irwin & Barneby | H. von Türckheim 1422 Sep 1888 | Guatemala. Baja Verapaz. Sant Rosa. Alt. 5000 ft. | isotype | 4828 |  |
| Senna lourteigiana H.S.Irwin & Barneby | R. A. A. Oldeman B4339 08 Mar 1972 | French Guiana. Layon Belvédère - Région de Saül. | |||
| Senna lourteigiana H.S.Irwin & Barneby | J.-J. de Granville 1637 12 May 1973 | French Guiana. Saint-Laurent-du-Maroni. Sources de la mana, versant N des Monts Galbao, à 10 km WSW de Saül. Alt. 300 m. | holotype | 4872 |  |
| Senna lourteigiana H.S.Irwin & Barneby | J.-J. de Granville 2679 19 Jan 1976 | French Guiana. Saint-Laurent-du-Maroni. Commune de Saül - Région de Saül; Grand circuit ORSTOM Boeuf Mort, pk 6. | |||
| Senna lourteigiana H.S.Irwin & Barneby | M.-F. Prévost 180 Feb 1978 | French Guiana. | |||
| Senna lourteigiana H.S.Irwin & Barneby | J.-J. de Granville 9009 27 Jan 1986 | French Guiana. Saint-Laurent-du-Maroni. Mont Galbao - Région de Saül. | |||
| Senna lourteigiana H.S.Irwin & Barneby | J.-J. de Granville B4218 13 Feb 1972 | French Guiana. Saint-Laurent-du-Maroni. Layon La Fumée - Région de Saül. | |||
| Senna lourteigiana H.S.Irwin & Barneby | R. A. A. Oldeman 1964 03 Feb 1966 | French Guiana. | |||
| Senna lourteigiana H.S.Irwin & Barneby | R. A. A. Oldeman 1968 04 Feb 1966 | French Guiana. | |||
| Senna tenuifolia (Vogel) H.S.Irwin & Barneby | L. Riedel 168 Apr 1923 | Brazil. In collibus siccis pr. Sumaborio [?]. | 00470047 |  | |
| Senna acuruensis (Benth.) H.S.Irwin & Barneby var. acuruensis | A. L. Brochado 183 with P. E. N. da Silva, 29 Mar 1991 | Brazil. Bahia. Mirorós, municipio de Ibipeba. Fazenda Agropil. | 582481 |  | |
| Senna acuruensis (Benth.) H.S.Irwin & Barneby var. acuruensis | W. N. da Fonseca 409 23 Apr 1981 | Brazil. Bahia. Mirangaba. Folha SC.24-Y-A. Ponto 6. | 582468 |  | |
| Senna latifolia (G.Mey.) H.S.Irwin & Barneby | J.-J. de Granville B4426 28 Apr 1972 | French Guiana. Route de l' Aérodrome de Saül - Région de Saül. | |||
| Senna latifolia (G.Mey.) H.S.Irwin & Barneby | P.-A. Loizeau 612 08 Feb 1987 | French Guiana. | |||
| Senna latifolia (G.Mey.) H.S.Irwin & Barneby | R. A. A. Oldeman 1976 05 Feb 1966 | French Guiana. | |||
| Senna latifolia (G.Mey.) H.S.Irwin & Barneby | N. Marshall 176 Aug 1987 | French Guiana. | |||
| Senna latifolia (G.Mey.) H.S.Irwin & Barneby | C. Moretti 433 Apr 1976 | French Guiana. | |||
| Senna aculeata (Benth.) H.S.Irwin & Barneby | C. D. Johnson 4809 19 Mar 1989 | Venezuela. Barinas. 31 km S of Barinas. | 1586186 | ||
| Senna occidentalis (L.) Link | A. Gely 46 18 Sep 1979 | French Guiana. | |||
| Senna occidentalis (L.) Link | W. M. Andrade 163 with L. S. Figueirêdo, 16 Sep 1998 | Brazil. Pernambuco. Fazenda Nova. Faz. Araras. | 515637 |  | |
| Senna occidentalis (L.) Link | J.-J. de Granville 2809 06 Mar 1977 | French Guiana. | |||
| Senna occidentalis (L.) Link | H. J. Burgot 1419 02 Oct 1974 | French Guiana. Saint-Laurent-du-Maroni. Village of Saül. | |||
| Senna occidentalis (L.) Link | J. B. Walker 1120 25 Nov 1994 | United States of America. Florida. Polk Co. 5km S of Lake Wales, at edge of Blue Lake. | 42547 |  | |
| Senna occidentalis (L.) Link | R. J. Shuttleworth 152 1842 | Brazil. Bahia. | 515644 |  |