Morphological variation of Jovibarba heuffelii (Crassulaceae) in the central Balkan Peninsula—The impact of geological, orographical and bioclimatic factors on the differentiation of populations
Orbilia laevimarginata sp. nov. and its asexual morph
Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China
Taxonomic revision of the genus Massularia (Rubiaceae, Gardenieae), with a new species from Central Africa
Cryptochloa stapfii (Poaceae: Bambusoideae: Olyreae), a new neotropical herbaceous bamboo from Panama
Pueraria grandiflora (Fabaceae), a new species from Southwest China
Nomenclatural notes in the Pleurothallidinae (Orchidaceae): Stelis
