Five names in Frullania, F. convoluta Lindenb. et Hampe, herzogiana Steph. 1911 (= rio-janeirensis (Raddi) Ångstr., syn. nov.), 1916 convoluta), var. ampliata Herzog convoluta, nov.) and piliflora appendiculata peruviana Gottsche, are lectotypified.

A taxonomic study of the genus Melinis (Poaceae) in Thailand was conducted. Two species, M. nerviglumis and repens, are found with both species being introduced to Thailand. repens for use as pasture has become naturalized all floristic regions a weed; no record utilization is recorded from Northern North-Eastern but not during recent field surveys. Morphological descriptions, distribution data...

The nomenclatural confusion between the Indian gingers Hedychium villosum Wallich and its variety Hedychium villosum var. tenuiflorum (Wall. ex Voigt) Wall. ex Baker is discussed. Both taxa are lectotypified in order to stabilize the names and contribute towards a resolution of their confusing nomenclatural past. Both taxa are described in detail to aid identification.