Anacardiaceae GH: 02464128  Anacardium occidentale  Linnaeus Brazil: Mato Grosso Vicinity of Garapú   H. S. Irwin & T. R. Soderstrom 6646 1964-10-30 
Apocynaceae GH: 02178537  Aspidosperma multiflorum  A. de Candolle Brazil: Mato Grosso Vicinity of Barro do Garças   H. S. Irwin & T. R. Soderstrom 6892 1964-10-15 
 GH: 02178721  Aspidosperma tomentosum  Martius Brazil: Mato Grosso ca. 15km S. of Garapú.   H. S. Irwin & T. R. Soderstrom 6663 1964 
 GH: 02178725  Aspidosperma tomentosum  Martius Brazil: Distrito Federal Chapada da Contagem, ca. 20km E. of Brasíli...  H. S. Irwin & T. R. Soderstrom 5101 1964-8-13 
 GH: 02116137  Himatanthus bracteatus  (A. de Candolle) Woodson Brazil: Distrito Federal Parque Minicipal do Gama, ca. 20km S. of Bra...  H. S. Irwin & T. R. Soderstrom 5903 1964-9-3 
 GH: 02378819  Macrosiphonia longiflora  (Desfontaines) Müller Arg. Brazil: Mato Grosso Plants of the Planalto do Brasil; Vicinity o...  H. S. Irwin & T. R. Soderstrom 6673 1964-10-9 
 GH: 02378827  Macrosiphonia martii  Müller Arg. Brazil: Distrito Federal Plants of the Planalto do Brasil; Chapada da...  H. S. Irwin & T. R. Soderstrom 5269 1964-8-18 
 GH: 02379479  Mandevilla hirsuta  (Richard) K. Schumann Brazil: Distrito Federal at Catetinho, ca. 15km S.W. of Brasília.   H. S. Irwin & T. R. Soderstrom 6146 1964-9-12 
 GH: 02379478  Mandevilla hirsuta  (Richard) K. Schumann Brazil: Goiás Serra do Caiapó, ca. 45km S. of Caiaponia o...  H. S. Irwin & T. R. Soderstrom 7483 1964-10-28 
 GH: 02379485  Mandevilla illustris  (Vellozo) Woodson Brazil: Goiás Serra do Caiapó, ca. 38km S. of Caiaponia o...  H. S. Irwin & T. R. Soderstrom 7029 1964-10-18 
 GH: 02379628  Mandevilla scabra  (Hoffmannsegg ex Roemer & Schultes) K. Schumann Brazil: Mato Grosso Vicinity of Garapú, Garapú.   H. S. Irwin & T. R. Soderstrom 6461 1964-9-30 
 GH: 00099655  Odontadenia matogrossana  J. F. Morales Brazil: Mato Grosso Vicinity of Garapú, 300-400 m   H. S. Irwin & T. R. Soderstrom 6444 1964-9-30 
 GH: 02009512  Rhodocalyx rotundifolius  Müller Arg. Brazil: Goiás ca. 38km S. of Caiaponia on road to Jataí. ...  H. S. Irwin & T. R. Soderstrom 7012 1964-10-18 
 GH: 02375977  Tabernaemontana cerea  (Woodson) Leeuwenberg Brazil: Mato Grosso ca 50 km N. of Barra do Garcas on road to Xa...  H. S. Irwin & T. R. Soderstrom 6849 1964-10-14 
 GH: 02375977  Tabernaemontana siphilitica  (Linnaeus f.) Leeuwenberg Brazil: Mato Grosso ca 50 km N. of Barra do Garcas on road to Xa...  H. S. Irwin & T. R. Soderstrom 6849 1964-10-14 
Araliaceae GH: 01244188  Didymopanax morototoni  (Aublet) Decaisne & Planchon Brazil: Mato Grosso Vicinity of Xavantina; Cerrado, ca. 2km N. o...  H. S. Irwin & T. R. Soderstrom 6363 1964-9-26 
Asteraceae GH: 00011264  Piptocarpha matogrossensis  H. Robinson Brazil: Mato Grosso Vicinity of Barro do Garcas; Cerrado, ca. 45...  H. S. Irwin & T. R. Soderstrom 6926 1964-10-15 
 GH: 00013670  Vernonia caiapoensis  H. Robinson Brazil: Goiás Serra do Caiapó; ca. 60 km. S. of Caiaponia...  H. S. Irwin & T. R. Soderstrom 7518 1964-10-29 
 GH: 00013762  Vernonia soderstromii  H. Robinson Brazil: Goiás Serra do Calapó; 50 km. south of Caiaponia ...  H. S. Irwin & T. R. Soderstrom 7334 1964-10-25 
Bromeliaceae GH: 02546123  Bromelia interior  L. B. Smith Brazil: Mato Grosso Burned-over cerrado, ca. 5km S. of Garapu   H. S. Irwin & T. R. Soderstrom 6602 1964-10-2 
 GH: 02546619  Dyckia burchellii  Baker Brazil: Mato Grosso Vicinity of Xavantina. 75km N. pf Xavantina.   H. S. Irwin & T. R. Soderstrom 6713 1964-10-9 
 GH: 00029066  Dyckia pumila  L. B. Smith Brazil: Goiás Steep rocky talus, at base of cliff face, ca...  H. S. Irwin & T. R. Soderstrom 7365 1964-10-25 
 GH: 02015243  Pitcairnia ulei  L. B. Smith Brazil: Distrito Federal Parque Municipal do Gama, ca. 20km S. of Bra...  H. S. Irwin & T. R. Soderstrom 5782 1964-8-31 
Fabaceae GH: 00058526  Andira humilis  Martius ex Bentham Brazil: Distrito Federal    H. S. Irwin & T. R. Soderstrom 6140 1964-9-12 
 GH: 00058526  Andira humilis glabricalyx Arroyo Brazil: Distrito Federal    H. S. Irwin & T. R. Soderstrom 6140 1964-9-12 
 GH: 00066317  Eriosema simplicifolium micranthum Grear Brazil: Goiás Serra do Caiapo, ca. 20 km. south of Caiapon...  H. S. Irwin & T. R. Soderstrom 7628 1964-10-31 
Lamiaceae GH: 00589350  Hyptidendron caudatum  (Epling & Játiva) Harley Brazil: Distrito Federal Chapada da Contagem, ca. 20 km E. of Brasíl...  H. S. Irwin & T. R. Soderstrom 5146 1964-8-15 
 GH: 00589350  Hyptis caudata  Epling & Játiva Brazil: Distrito Federal Chapada da Contagem, ca. 20 km E. of Brasíl...  H. S. Irwin & T. R. Soderstrom 5146 1964-8-15 
Lythraceae GH: 01244975  Cuphea antisyphilitica  Kunth Brazil: Distrito Federal ca. 35km E. of Barsília   H. S. Irwin & T. R. Soderstrom  1964-8-21 
 GH: 00247543  Cuphea retrorsicapilla  Koehne Brazil: Mato Grosso Vicinity of Xavantina. Cerrado, ca. 90 km. N...  H. S. Irwin & T. R. Soderstrom 6802 1964-10-12 
Mimosaceae GH: 00064703  Mimosa rava  Barneby Brazil: Distrito Federal Ca. 55 km. east of Brasília on road to Plan...  H. S. Irwin & T. R. Soderstrom 6172 1964-9-13 
 GH: 00977747  Stryphnodendron adstringens   Coville Brazil: Distrito Federal Cerrado, Brasília, near science center of U...  H. S. Irwin & T. R. Soderstrom 5118 1964-8-14 
Orchidaceae GH: 02110414  Epidendrum campestre  Lindley Brazil: Goiás Planalto do Brasil; Serra do Caiapó; ca. 48...  H. S. Irwin & T. R. Soderstrom 7248 1964-10-23 
Portulacaceae GH: 01222882  Portulaca frieseana  Poelln. Brazil: Goiás ca. 30km N. of Jataí. on road to Caiaponia.   H. S. Irwin & T. R. Soderstrom 7297 1964-10-24 
Ranunculaceae GH: 01163383  Ranunculus bonariensis phyteumifolius (A. St.-Hilaire) Hicken ex Lourteig Brazil:  [data not captured]   H. S. Irwin & T. R. Soderstrom 6164 1964-9-12