Plant Ecology and Evolution

On the identity of the rare Fragilaria subconstricta (Fragilariaceae), with Fragilaria species forming ribbon-like colonies shortly reconsidered

Transitions in diatom assemblages and pigments through dry and wet season conditions in the Red River, Hanoi (Vietnam)

Typification of the first recognized blue pigmented diatom, Haslea ostrearia (Bacillariophyceae)

Gomphonella olivacea (Bacillariophyceae) – a new phylogenetic position for a well-known taxon, its typification, new species and combinations

On the identity of Navicula gottlandica (Bacillariophyta), with the description of two new species Navicula eileencoxiana and Navicula bergstromiana from the Australo-Pacific region

Morphological reconsideration of the araphid genus Pseudostaurosira (Bacillariophyceae), a revision of Gedaniella, Popovskayella and Serratifera, and a description of a new Nanofrustulum species

Taxonomy and diversity of a little-known diatom genus Simonsenia (Bacillariaceae) in the marine littoral: novel taxa from the Yellow Sea and the Gulf of Mexico

Novel marine diatom ssRNA virus NitRevRNAV infecting Nitzschia reversa

Aulacoseira giraffensis (Bacillariophyceae), a new diatom species forming massive populations in an Eocene lake

New Amphora and Halamphora (Bacillariophyta) species from springs in the northern Apennines (Emilia-Romagna, Italy)

Polymorphism in Mastogloia (Bacillariophyceae) revisited

Typification of the puzzling diatom species Neidium iridis (Neidiaceae)

Homothallism, morphology and phylogenetic position of a new species of Sellaphora (Bacillariophyta), S. pausariae

Adlafia neoniana (Naviculaceae), a new diatom species from forest streams in Puerto Rico

As trees walking: the pros and cons of partial sight in the analysis of stream biofilms

The cost of deer to trees: changes in resource allocation from growth-related traits and phenolic content to structural defence

Ecological niche divergence associated with species and populations differentiation in Erythrophleum (Fabaceae, Caesalpinioideae)

Observations of the genus Muelleria (Bacillariophyceae) from the Republic of North Macedonia

Three new combinations in African Cyperus (Cyperaceae)

Distrionella coxiana, a new fragilarioid diatom species (Bacillariophyceae) from Tierra del Fuego, Patagonia, Argentina

Novitates gabonenses 91: Additions to the grass flora of Gabon

Mine versus Wild : a plant conservation checklist of the rich Iron-Ore Ngovayang Massif Area (South Cameroon)

The nomenclature and type locality of Berkeleya adeliensis (Bacillariophyceae): a correction

Tribute to Eileen J. Cox – Editorial

Analysis of the type material of Achnanthes minutissima var. macrocephala (Bacillariophyta) and description of two new small capitate Achnanthidium species from Europe and the Himalaya

The novel species Navicula eileeniae (Bacillariophyta, Naviculaceae) and its recent expansion in the Central Appalachian region of North America