The type specimens in Eugen von Halácsy´s Herbarium Graecum
Biogeographical regionalisation of Colombia: a revised area taxonomy
Vascular plant biodiversity of Dorset and Mallik islands, Nunavut, Canada: an annotated checklist of a middle Arctic flora in the Canadian Arctic Archipelago
Ludwigia humboldtiana (Onagraceae), a narrowly endemic new species from the subtropical Atlantic Forest, southern Brazil
Petalidium kaokoense (Acanthaceae), a new species from Namibia
Lectotypification and a new record of the genus Eragrostiella (Tripogoninae, Cynodonteae, Chloridoideae, Poaceae) from India