Ranunculus oblitus (section Batrachium, Ranunculaceae), a new species from South America

Dialium heterophyllum (Fabaceae: Dialioideae), a new tree species from the Amazon

Description of Isoetes afloramientorum, sp. nov. (Isoetaceae), and a second record for Isoetes santacruzensis, two granite outcrop quillworts in Bolivia

Contributions to the Andean Senecioneae (Compositae)—II. Werneria lanatifolia, a new species from central Andes

Contributions to the Andean Senecioneae (Compositae)—I. Two new species of Werneria

New Synonyms and Lectotypification in Begonia section Australes (Begoniaceae)

Taxonomic novelties in Andean Senecioneae (Compositae)

Typification of names and nomenclatural notes on the South Andean and Patagonian species of Polygala Linnaeus (Polygalaceae)

Towards a better understanding of Xenophyllum esquilachense (Senecioneae, Compositae), a poorly known Andean species

Three new caespitose species of Senecio (Senecioneae, Compositae) from Central Andes