Pereira, A.C., Alves, J.T.D.S., Vidal, R.G.R., Kociolek, J.P., Torgan, L.C. and Melo, S. 2023. Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil). Phytotaxa. 606, 3 (Jul. 2023), 185–200. DOI:https://doi.org/10.11646/phytotaxa.606.3.2.