Validation of Rubia urceolata X.F.Wang & C.H.Wang (Rubiaceae) from Central China
Hedyotis taishanensis (Rubiaceae): A new species from Guangdong, China
Ridsdalea alba (Rubiaceae), a new species from southern Thailand
Psychotria nilgherensis (Rubiaceae), a new combination replacing P. elongata
Lectotypification of Warszewiczia pulcherrima (Rubiaceae) with notes on Józef Warszewicz’s plant collection preserved at KRA herbarium from his trips to Central and South America