| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | S. Espinoza 456 20 Oct 1990 | Ecuador. Pastaza. Canton. Pozo Dante 2. UNOCAL oil well 35 km southeast of Coraray. | |||
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | E. Gudiño 270 with H. T. Beck & S.Espinoza (E. Gudino numbers), 30 May 1990 | Ecuador. Pastaza. Pozo Mazaramu. UNOCAL Ecuador, Ltd. Petroleum Exploration Block (Site 2). | |||
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | D. Cárdenas-López 42178 27 Jul 2011 | Colombia. Caquetá. Belén de los Andaquies Mun. vereda Las Verdes, sector bocana quebrada Los Verdes. Camino hacia cerro El Oso. | 01392646 |  | |
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | J. E. Wilde 45 with J. T. Baldwin, Jr., Dec 1943 | Brazil. Acre. Rio Branco Mun. | 1027178 |  | |
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | J. L. Clark 2008 with Kerber, N.; Plihal, J., 15 Feb 1996 | Ecuador. Esmeraldas. Quinindé (Canton). The Mache - Chindul Ecological Reserve. Bilsa Biological Station. Mache Mountains, 35 km W of Quinindé, 5 km W of Santa Isabel. Near permanent plot #1. | |||
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | J. L. Clark 2020 with Kerber, N.; Plihal, J.; Leeds, S., 16 Feb 1996 | Ecuador. Esmeraldas. Quinindé (Canton). The Mache - Chindul Ecological Reserve. Bilsa Biological Station. Mache Mountains, 35 km W of Quinindé, 5 km W of Santa Isabel. Near permanent plot #1. | |||
| Matisia malacocalyx (A.Robyns & S.Nilsson) W.S.Alverson | P. Shanley 1 with J. Ruiz M., 28 Jun 1989 | Peru. Loreto. Puerto Almendras, 32 km SW of Iquitos, on Rio Nanay. |