A morphological analysis of the genus Lepidaploa (Vernonieae) of southern South America has been carried out. Until now, the information concerning the genus was fragmented and incomplete for this region. Altogether, 13 ...

This work presents a new circumscription and a taxonomic treatment for Chamaecrista ser. Setosae that resulted from previous phylogenetic studies and the analysis of ca. 350 collections, including typus, as well as the ...

Here, we studied leaflets of 18 taxa of the Dolentes-Brevipedes taxonomic complex, focusing on micromorphology, type, shape and density of trichomes. Within the non-glandular trichomes, we described three types of ...

A morphological analysis of the genus Lepidaploa (Vernonieae) of southern South America has been carried out. Until now, the information concerning the genus was fragmented and incomplete for this region. Altogether, 13 ...

A taxonomic study of the fern genera Austroblechnum, Cranfillia, Neoblechnum, Lomaridium, and Telmatoblechnum, formerly Blechnum s. l. (Blechnaceae, Polypodiopsida), was conducted in southern and southeastern Brazil (Minas ...

Biological degradation of domestic and industrial wastewater by activated sludge depends on a common process of separation of the diverse self-assembled and self-sustained microbial flocs from the treated wastewater. ...

This is the second part of a revision of the genus Chaptalia (Asteraceae) in the Caribbean Islands, containing a taxonomic treatment. The number of recognized species in the genus is reduced from 31 to two endemics, C. ...

Dactylogyridae is overwhelmingly the most abundant and diverse taxon among monogeneans in continental waters of South America. Their small body size requires considerable sampling effort and training for collecting and ...