New species and a new genus of the Orthoseirales from Patagonia, Argentina, with comments on systematic affinities within the Order

The Ulva flexuosa complex (Ulvaceae, Chlorophyta): an updated identification key with special reference to the freshwater and hyperhaline taxa

Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China

Classification of the Relhania generic group (Asteraceae, Gnaphalieae) revisited using molecular phylogenetic analysis

Tylopilus callainus, a new species with a sea-green color change of hymenophore and context from the south of China

Diplazium yinchanianum (Athyriaceae): A New Fern from the Border between China and Vietnam

Aconitum wumengense (Ranunculaceae), a new species from Yunnan, China

Ataktogamous green microalgae of the genus Chlorosarcinopsis Herndon (Chlorophyceae, Chlorophyta) from Zabaikalskiy region (Russia)

A taxonomic account of species in the tribe Spongoclonieae (Ceramiaceae, Ceramiales, Rhodophyta) reported from Atlantic and Pacific Mexico

Oricymba rhynchocephala sp. nov., a new cymbelloid diatom (Bacillariophyceae) from Xianju National Park in Zhejiang Province, China