Billolivia tichii (Gesneriaceae), a new species from Vietnam

Parviphycus bompardii sp. nov. and P. albertanoae (Gelidiales, Rhodophyta), two species misidentified as Gelidiella ramellosa in the Mediterranean Sea

Recognizing the species of Thuja (Cupressaceae) based on their cone and foliage morphology

Tabularia kobayasii: a new araphid diatom (Bacillariophyta, Fragilariaceae) from Japan

Salix nebrodensis (Salicaceae), a new species from Sicily

Two new species of Navicula (Bacillariophyta, Naviculales) from the Cascade Mountains of the American Northwest

The rediscovery of Stachys virgata (Lamiaceae), a rare endemic of Peloponnisos, Greece: taxonomy, distribution, karyology and conservation

Taxonomy and chorology of Corbichonia (Lophiocarpaceae s.l.) with further description of a new species from Southern Africa

Dryopteris shiakeana (Dryopteridaceae): A new fern from Danxiashan in Guangdong, China

Two new species of Calanthe (Orchidaceae: Epidendroideae) from Korea