Apocynaceae GH: 02178498 Aspidosperma discolor A. de Candolle Brazil: Mato Grosso Serra Azul, ca. 85 km. S. of Xavantina; Drai... H. S. Irwin, R. Souza, J. W. Grear... 17160 1966-6-15
GH: 02178724 Aspidosperma tomentosum Martius Brazil: Mato Grosso Serra Azul, ca. 85 km. S. of Xavantina, Drai... H. S. Irwin, R. Souza, J. W. Grear... 17354 1966-6-17
GH: 02178709 Aspidosperma tomentosum Martius Brazil: Mato Grosso Cerrado, ca. 2 km. N.E. of Xavantina, Draina... H. S. Irwin, R. Souza, J. W. Grear... 16716 1966-6-7
GH: 02178727 Aspidosperma tomentosum Martius Brazil: Goiás Drainage of the upper Rio Araguaia, Cerrado,... H. S. Irwin, R. Souza, J. W. Grear... 17505 1966-6-21
GH: 02115864 Forsteronia pubescens A. de Candolle Brazil: Mato Grosso PLants of the Planalto do Brasil; Drainage o... H. S. Irwin, R. Souza, J. W. Grear... 17117 1966-6-13
GH: 02116164 Himatanthus obovatus (Müller Arg.) Woodson Brazil: Goiás Plants of the Planalto do Brasil; Estado de ... H. S. Irwin, R. Souza, J. W. Grear... 15144 1966-4-20
GH: 02116171 Himatanthus phagedaenicus (Martius) Woodson Brazil: Mato Grosso Plants of the Planalto do Brasil; Drainage o... H. S. Irwin, R. Souza, J. W. Grear... 16844a 1966-6-10
GH: 02382926 Prestonia coalita (Vellozo) Woodson Brazil: Goiás Serra do Morcêgo; Côr-rego Estrema, ca. 35... H. S. Irwin, R. Souza, J. W. Grear... 15226 1966-4-21
Asteraceae GH: 00977237 Taraxacum officinale F. H. Wiggers Brazil: Goiás Serra do Caipó; ca. 50 km. S. of Caiaponia,... H. S. Irwin, R. Souza, J. W. Grear... 17827 1966-6-27
GH: 00977237 Vernonia amygdalina Delile Brazil: Goiás Serra do Caipó; ca. 50 km. S. of Caiaponia,... H. S. Irwin, R. Souza, J. W. Grear... 17827 1966-6-27
Caesalpiniaceae GH: 00053104 Cassia azulana H. S. Irwin & Barneby Brazil: Mato Grosso Drainage of the upper Rio Araguaia, Summitt ... H. S. Irwin, R. Souza, J. W. Grear... 17243 1966-6-16
GH: 00053146 Cassia clausseni megacycla H. S. Irwin & Barneby Brazil: Goiás Serra do Caiapo: ca. 50 km south of Caiaponi... H. S. Irwin, R. Souza, J. W. Grear... 17832 1966-6-27
GH: 00053104 Chamaecrista azulana (H. S. Irwin & Barneby) H. S. Irwin & Barneby Brazil: Mato Grosso Drainage of the upper Rio Araguaia, Summitt ... H. S. Irwin, R. Souza, J. W. Grear... 17243 1966-6-16
Fabaceae GH: 00368579 Canavalia grandiflora Bentham Brazil: Planalto, Drainage of the upper Rio Araguaia... H. S. Irwin, R. Souza, J. W. Grear... 17380 1966-6-18
Melastomataceae GH: 00072891 Miconia collatata Wurdack Brazil: Goiás Serra do Caiapó, ca. 30 km. south of CaiapÃ... H. S. Irwin, R. Souza, J. W. Grear... 17991 1966-6-29
Mimosaceae GH: 00064752 Mimosa hirsutissima grossa Barneby Brazil: Goiás Ca. 40 km. northeast of Formosa, cerrado, CÃ... H. S. Irwin, R. Souza, J. W. Grear... 15109 1966-4-20
Orchidaceae GH: 01685544 Epistephium laxiflorum Barbosa Rodrigues Brazil: Mato Grosso Serra do Roncador; ca. 84 km. N of Xavantina H. S. Irwin, R. Souza, J. W. Grear... 16410 1966-6-1
GH: 01947977 Habenaria mattogrossensis Kraenzlin Brazil: ca. 25 km. S. of Xavantina, Mato Grosso. H. S. Irwin, R. Souza, J. W. Grear... 17084 1966-6-13
