| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Markea porphyrobaphes Sandwith | T. A. W. Davis 251 13 Sep 1929 | Guyana. Essequibo River: Moraballi Creek, near Bartica. | possible type | 138778 |  |
| Markea porphyrobaphes Sandwith | D. Larpin 721 01 Jun 1989 | French Guiana. Montagne des Nouragues, Bassin de l'Approuague. | |||
| Markea porphyrobaphes Sandwith | J.-J. de Granville 12424 with P. Acevedo, A. Boyer, L. Hollenberg, 23 Aug 1993 | Brazil. Amapá. Rivière Haut Jari. | 1291373 |  | |
| Markea porphyrobaphes Sandwith | J. M. Pires 51571 with Wm. Rodrigues, G. C. Irvine, 08 Oct 1961 | Brazil. Amapá. Rio Araguari, at mouth of Anicahy, above Camp 14. | 1291371 |  | |
| Markea porphyrobaphes Sandwith | H. S. Irwin 48405 with J. M. Pires, L. Y. Th. Westra, 21 Sep 1960 | French Guiana. About 0.5 km. south of mouth of Rio Muturá. | 1291370 |  | |
| Markea porphyrobaphes Sandwith | G. T. Prance 1869 with T. D. Pennington, 31 Oct 1965 | Brazil. Pará. Road BR 22, Capanema to Maranhão. Vicinity of Cachoeira, km. 96. | 1291372 |  | |
| Markea porphyrobaphes Sandwith | R. S. Cowan 38188 09 Nov 1954 | Brazil. Amapá. Serra do Navio, Slopes of Curuca Ore Body toward Igarape Sentinela. | 1291374 |  |
