posted on 2018-08-29, 02:43authored byFúvio Rubens Oliveira-da-Silva, Anna Luiza Ilkiu-Borges
Abstract Pylaisiadelphaceae is respresented by four species of the genera Isopterygium (2 spp.), Pterogonidium (1 sp.) and Taxithelium (1 sp.) in the canga areas of the Serra dos Carajás, Pará state, for which are presented descriptions, illustrations and morphological comments.