| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Aciotis wurdackii Freire-Fierro ex P.S.Mathies & McDaniel | D. G. Campbell P22514 with J. C. Ongley, J. F. Ramos, O. P. Monteiro & B. W. Nelson, 03 Jun 1974 | Brazil. Pará. Basin of Rio Trombetas. Rio Trombetas shore, ponteira cemetery. | isotype | 99485 |  |
| Aciotis wurdackii Freire-Fierro ex P.S.Mathies & McDaniel x A. polystachya (Bonpl.) Triana | D. G. Campbell 22574 with J. C. Ongley, J. F. Ramos, O. P. Monteiro & B. W. Nelson, 08 Jun 1974 | Brazil. Pará. Rio Trombetas, 3km south of Cachoeira Porteira. | 1254036 |  | |
| Aciotis wurdackii Freire-Fierro ex P.S.Mathies & McDaniel x A. polystachya (Bonpl.) Triana | D. G. Campbell 22363 with J. C. Ongley, B. W. Nelson, J. F. Ramos & O. P. Monteiro, 27 May 1974 | Brazil. Pará. Rio Trombetas, near Cachoeira Porteira. | 1254037 |  |