Gonçalves, V., Ritter, C., Marques, H., Teixeira, D.N. & Raposeiro, P.M. (2021). Diatoms from small ponds and terrestrial habitats in Deserta Grande Island (Madeira Archipelago), 9, 1-15, .
Hyžný, M., Melo, C.S., Ramalho, R.S., Cordeiro, R., Madeira, P., Baptista, L., et al. (2021). Pliocene and late Pleistocene (MIS 5e) decapod crustaceans from Santa Maria Island (Azores Archipelago: Central Atlantic): systematics, palaeoecology and palaeobiogeography, 36, 91-109, .
Lamelas-López, L., Borges, P.A.V., Serrano, L., Gonçalves, V. & Florencio, M. (2021). Biodiversity Patterns of Macroinvertebrate Assemblages in Natural and Artificial Lentic Waters on an Oceanic Island, 8, 1-15, .
Neto, A.I.A., Moreu, I., Alquicira, E.F.R., León-Cisneros, K., Cacabelos, E., Botelho, A.Z., et al. (2021). Marine algal flora of São Miguel Island, Azores, 9, 1-52, .
Neto, A.I.A., Parente, M.I., Cacabelos, E., Costa, A.C., Botelho, A.Z., Ballesteros, E., et al. (2021). Marine algal flora of Santa Maria Island, Azores, 9, 1-41, .
Neto, A.I.A., Parente, M.I., Tittley, I., Fletcher, R.L., Farnham, W., Costa, A.C., et al. (2021). Marine algal flora of Flores and Corvo Islands, Azores, 9, 1-34, .
Parente, M.I., Fletcher, R.L., Costa, F.O. & Saunders, G.W. (2021). Taxonomic investigation of Ralfsia-like (Ralfsiales, Phaeophyceae) taxa in the North Atlantic Ocean based on molecular and morphological data, with descriptions of Pseudoralfsiaceae fam. nov., Pseudoralfsia azorica gen. et sp. nov. and Nuchella vesiculari, 56, 12-23, .
Parretti, P., Ros, M., Gestoso, I., Ramalhosa, P., Costa, A.C. & Canning-Clode, J. (2021). Assessing biotic interactions between a non-indigenous amphipod and its congener in a future climate change scenario, 16, 186-207, .
Pavão, D.C., Porteiro, J., Ventura, M.A., Silva, L.B., Medeiros, A., Moniz, A., et al. (2021). Land cover along hiking trails in a nature tourism destination: the Azores as a case study.
Pieper, C., Loureiro, M., Law, K.L., Amaral-Zettler, L.A., Quintino, V., Rodrigues, A.M., et al. (2021). Marine litter footprint in the Azores Islands: A climatological perspective, 761, 143310-143310, .