| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Croton heterocalyx Baill. | J. S. Blanchet 3717 | Brazil. Bahia. | isotype | 262908 |  |
| Croton blanchetianus Baill. | J. S. Blanchet 3094 | Brazil. Brasilia. | isotype | 246515 |  |
| Croton grewioides Baill. | J. S. Blanchet 3100 | Brazil. Bahia. Caatinga de (Fapira?). | isotype | 246546 |  |
| Croton coronatus Urb. | H. von Türckheim 3338 Jul 1910 | Dominican Republic. La Vega. Prope Constanza, as ripam Rio del Medio. | isotype | 83329 |  |
| Croton matourensis var. benthamianus Müll.Arg. | R. Spruce Dec 1850-Mar 1851 | Brazil. Amazonas. In vicinibus Barra [Manaus], Prov. Rio Negro. | isotype | 262920 |  |
| Croton agrarius var. horridulus Baill. | J. S. Blanchet 3323 1841 | Brazil. Bahia. Igreja Velha. | isotype | 246504 |  |
| Croton microdon Urb. | M. D. Fuertes Lorén 1582 1912 | Dominican Republic. Barahona. | isotype | 83364 |  |
| Croton tabascensis Lundell | E. Matuda 3145 22 May 1939-26 May 1939 | Mexico. Tabasco. Reforma, near Balancan. | isotype | 246493 |  |
| Croton watsonii Standl. | C. G. Pringle 3080 28 Jun 1890 | Mexico. San Luis Potosí. Las Palmas. | isotype | 246460 |  |
| Croton watsonii Standl. | C. G. Pringle 3080 28 Jun 1890 | Mexico. San Luis Potosí. Las Palmas. | isotype | 246461 |  |
| Croton schiedeanus Schltdl. | A. M. Raynal-Roques 20011 06 Feb 1978 | French Guiana. Layon Galbao - Région de Saül. | |||
| Croton schiedeanus Schltdl. | J.-J. de Granville B4257 17 Jan 1972 | French Guiana. Crique Cochon - Région de Saül. | |||
| Croton schiedeanus Schltdl. | R. A. A. Oldeman 1986 07 Feb 1966 | French Guiana. | |||
| Croton schiedeanus Schltdl. | J.-J. de Granville 4473 26 Mar 1981 | French Guiana. | |||
| Croton schiedeanus Schltdl. | M.-F. Prévost 1816 18 Mar 1985 | French Guiana. | |||
| Croton schiedeanus Schltdl. | J.-J. de Granville 2796 03 Mar 1977 | French Guiana. | |||
| Croton schiedeanus Schltdl. | G. Cremers 7594 20 Aug 1981 | French Guiana. Dégrad Blanc - Région de Saül. | |||
| Croton schiedeanus Schltdl. | H. de Foresta 683 20 Oct 1984 | French Guiana. | |||
| Croton schiedeanus Schltdl. | P.-A. Loizeau 618 09 Feb 1987 | French Guiana. Route de Belizon - Région de Saül. | |||
| Croton aberrans Müll.Arg. | S. L. Ginzbarg 572 with J. Dávalos, I. Fox & C. Rodriguez, 16 Feb 1987 | Paraguay. Amambay. Pq. Nac. Cerro Corá. Camino Sereno, 3 km al NO del monumento. En cerrado al E de Cerro Trébol, quemado hace seis meses. | 503933 |  | |
| Croton virgultosus Müll.Arg. | J. C. de Moraes Vasconcelos 2093 19 Apr 1959 | Brazil. Paraíba. Em regioes secas do Estado de Paraíba. | 504776 |  | |
| Croton hieronymi Griseb. | P. G. Lorentz 278 with G. H. E. W. Hieronymus, Feb 1873 | Argentina. Salta. Pasaje del Río Juramento. | isotype | 262909 |  |
| Croton roraimensis Croizat | A. S. Pinkus 122 06 Jan 1939 | Venezuela. Mount Roraima: southwestern slopes. | type | 262945 |  |
| Croton californicus Müll.Arg. | C. R. Annable 2255 09 Mar 1995 | United States of America. California. Riverside Co. BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement. | 43331 |  | |
| Croton californicus Müll.Arg. | K. T. Hartweg 1949 1846-1847 | United States of America. California. | syntype | 246421 |  |
| Croton californicus Müll.Arg. | K. T. Hartweg 1949 1846-1847 | United States of America. California. | syntype | 246422 |  |
| Croton sanctae-crucis S.Moore | S. L. M. Moore 567 1891-1892 | Brazil. Mato Grosso. | isotype | 262949 |  |
| Croton californicus var. mohavensis A.M.Ferguson | C. C. Parry 1850 | United States of America. California. San Diego to Monterey. | syntype | 246423 |  |
| Croton californicus var. mohavensis A.M.Ferguson | A. C. V. Schott 5 1855 | United States of America. Alluvial banks of the Colorado del Oeste. | syntype | 246424 |  |
| Croton californicus var. mohavensis A.M.Ferguson | Maj. W. H. Emory 28 Nov 1846 | United States of America. Colorado Desert. | syntype | 246425 |  |
| Croton californicus var. mohavensis A.M.Ferguson | A. Eastwood 04 Oct 1894 | United States of America. California. Bet. Rose x Adobe Station on the road from Bakersfield to Tejon Pass. | syntype | 246426 |  |
| Croton palmeri S.Watson | E. Palmer 1239 09 Sep 1880-19 Sep 1880 | Mexico. Toledad, 25 miles SW from Monclova. | isotype | 246483 |  |
| Croton flavoglandulosus Lundell | E. Matuda 3042 09 May 1939-14 May 1939 | Mexico. Tabasco. Achotal, near Balancan. | isotype | 246465 |  |
| Croton adenodontus (Müll.Arg.) Müll.Arg. | C. E. O. Kuntze s.n. Dec 1892 | Brazil. Rio de Janeiro. | 503940 |  | |
| Croton hirtus L'Hér. | R. A. Toro 247 1927 | Colombia. Antioquia. Vicinity of Medellin. | 504161 |  | |
| Croton hirtus L'Hér. | L. J. Gillespie 1026 with D. Gopaul, 14 Apr 1989 | Guyana. Essequibo. Essequibo Ils-W Demerara Region: Naamryck Canal; +- 3.5 km SW of Parika. | 504166 |  | |
| Croton hirtus L'Hér. | Bracho 9 Apr 1963 | Venezuela. Carabobo. 26 km al oeste de Moron. | 504165 |  | |
| Croton conspurcatus Schltdl. | C. J. W. Schiede 39 | Mexico. Tiosela. | isotype | 246455 |  |
| Croton caryocarpus Croizat | P. A. Pételot 6487 05 May 1936 | Vietnam. Indo-Chine. Pho Vi, Prov. de Bac Giang, Tonkin. | isotype | 452496 |  |
| Croton spinosus var. heterolepis Urb. | E. L. Ekman 19074 25 Jun 1924 | Cuba. Camagüey. Nuevitas, at Miramar. | isotype | 83369 |  |