New and unusual species of cyanobacteria, diatoms and green algae, with a description of a new genus Ekerewekia gen. nov. (Chlorophyta) from the table mountain Churí-tepui, Chimantá Massif (Venezuela)

Morphological and molecular confirmation of the occurrence of Pyropia tanegashimensis (Bangiales, Rhodophyta) from Palaui Is., Sta. Ana, Cagayan, Philippines

Hypnea wynnei and Hypnea yokoyana (Cystocloniaceae, Rhodophyta), two new species revealed by a DNA barcoding survey on the Brazilian coast

Characterization of Tetraselmis verrucosa f. rubens (Chlorodendrophyceae) strains from coastal lagoons of Western Greece using a multivariate approach

First record of Nocturama (Batrachospermales, Rhodophyta) in South America, with the description of a new species N. novamundensis

Phylogenetic relationships among Halymenia (Halymeniaceae, Rhodophyta) species on the Brazilian coast with description of Halymenia cearensis sp. nov.

Phyllosiphon ari sp. nov. (Watanabea clade, Trebouxiophyceae), a new parasitic species isolated from leaves of Arum italicum (Araceae)

Chondrophycus anabeliae (Rhodomelaceae, Ceramiales), a new species in the Laurencia complex from the Mexican Caribbean

A new species of Pyropia (Rhodophyta, Bangiaceae), from the Pacific coast of Mexico, based on morphological and molecular evidence

Gracilaria falconii sp. nov. (Gracilariales, Rhodophyta): a new species with flat axes from Venezuela