Morphological and phylogenetical description of Dennisiomyces fibrillosus sp. nov. (Agaricales, Tricholomataceae) from the Pyrenees and the first record of the genus in Europe
Vadensea (Icacinaceae), a new genus to accommodate continental African species of Desmostachys
Guihaia heterosquama, a new species of coryphoid palm (Arecaceae) from Chongqing, China
Parasola psathyrelloides (Psathyrellaceae), a new species from Kerala State, India
Thesium ovatifolium (Santalaceae), a new species with ovate leaves from KwaZulu-Natal, South Africa
Rheum moorcroftianum (Polygonaceae) in Kashmir Himalaya
Validly published but illegitimate. Correction to and comments on Phytotaxa 373: On Hemionitis atreyu, an invalid and unnecessary name, and on the correct name for that species if placed in Hemionitis (Pteridaceae subfam. Cheilanthoideae)
Funez, L.A. & Hassemer, G. (2018) Erratum for “Hoehnea grandiflora (Lamiaceae), a rare, critically endangered new species from southern Brazil” Phytotaxa 349 (2): 159–166.