Nova Hedwigia

A new genus, Oehlia with Oehlia diaphana comb. nov and an emended description of Rhizoglomus vesiculiferum comb. nov in the Glomeromycotina

Zygote transfer and post-fertilization stages in Mesophyllum (Mesophyllaceae, Corallinales, Rhodophyta)

New Species of Harpellales and Amoebidiales from the N-E Iberian Peninsula, and thallial plasmogamy in a Paramoebidium species

Metapochonia lutea, a new species isolated from the Danube river in Austria

Cyanobacteria from bromeliad phytotelmata: new records, morphological diversity, and ecological aspects from northeastern Brazil

An overview of the Afro-American genus Haplolejeunea (Marchantiophyta: Lejeuneaceae) with description of two new species

Cymbella fontinalis sp. nov. (Bacillariophyta, Cymbellaceae) from springs in the Rocky Mountains of North America

Bremia polycephala and Bremia sawadae spp. nov (Peronosporaceae; Oomycota), parasitic to Northeast Asian Asteraceae

A new species of Gyroporus (Gyroporaceae, Boletales) from Atlantic Forest in Southern Brazil

A new anamorphic fungus of Nakataea from China