Morphology and phylogenetic position of three new raphid diatoms (Bacillariophyceae) from Hangang River, South Korea

New cyanobacterium Nodosilinea svalbardensis sp. nov. (Prochlorotrichaceae, Synechococcales) isolated from alluvium in Mimer river valley of the Svalbard archipelago

Affinities of four freshwater putative “Chantransia” stages (Rhodophyta) in Southern China from molecular and morphological data

Eucheumatopsis sanibelensis sp. nov. from the Gulf coast of Florida, USA

Aphanta asiatica sp. nov. (Orthogonacladiaceae, Rhodophyta), a new species from the Asia-Pacific region with the first description of reproductive structures in this genus

Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

Nomenclatural clarification of the names Pelargonium althaeoides and P. chamaedrifolium (Geraniaceae)

Gomphonema frequentiformis (Metzeltin & Krammer) comb. nov. (Bacillariophyta): ecology and taxonomy of a Neotropical diatom

Molecular assessment of flat Cystocloniaceae (Gigartinales, Rhodophyta) from Brazil with reinstatement of Calliblepharis jolyi and a new record of C. saidana for the Atlantic Ocean

Establishment of Mimica gen. nov. to accommodate the anaxiferous species of the economically important red seaweed Eucheuma (Solieriaceae, Rhodophyta)