POLLEN73S: An image dataset for pollen grains classification. - Gilberto Astolfi; Ariadne Barbosa Gonçalves; Geazy Vilharva Menezes; Felipe Silveira Brito Borges; Angelica Christina Melo Nunes Astolfi; Edson Takashi Matsubara; Marco A. Alvarez; Hemerson Pistori (Ecol. Informatics, 2020)