Fragilariforma Hajósiae: re-description and revision of Pantocsek’s species Diatoma fossile (Bacillariophyta)

Urosolenia and Acanthoceras species from Hainan Province, China

Scytolyngbya timoleontis, gen. et sp. nov. (Leptolyngbyaceae, Cyanobacteria): a novel false branching Cyanobacteria from China

Morphological, ecological and molecular characterization of Pyropia vietnamensis (Bangiales, Rhodophyta) from the Konkan region, India

Sporolithon yoneshigueae sp. nov. (Sporolithales, Corallinophycidae, Rhodophyta), a new rhodolith-forming coralline alga from the southwest Atlantic

Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal

The diatom genus Oricymba in Vietnam and Laos with description of one new species, and a consideration of its systematic placement

Achnanthes citronella, A. trachyderma comb. nov. (Bacillariophyta) and allied taxa pertaining to the same morphological group

New taxa of Navicula sensu stricto (Bacillariophyta, Naviculaceae) from high-altitude lake in Tibet, China

A New Species of Rhodymeniaceae (Rhodophyta, Rhodymeniales) from the Northern Brazilian Coast: Botryocladia franciscana sp. nov.