Expansion of the orchid genus Coelogyne (Arethuseae; Epidendroideae) to include Bracisepalum, Bulleyia, Chelonistele, Dendrochilum, Dickasonia, Entomophobia, Geesinkorchis, Gynoglottis, Ischnogyne, Nabaluia, Neogyna, Otochilus, Panisea and Pholidota
Pinocchia daecheonga sp. nov. (Synechococcales, Cyanobacteria) isolated from a Daecheong Lake in Geum River, Republic of Korea
A new moss species from northwestern China: Bryum glacierum (Bryaceae)
Premna mwadimei (Lamiaceae), a new species from Cha Simba, a remnant of coastal forests of Kenya, East Africa
Corydalis nanchuanensis (Papaveraceae), a new species from Chongqing, China
Pariana caxiuanensis (Parianinae, Poaceae): a new species of an enigmatic genus of herbaceous bamboos from the Brazilian Amazon
A giant among the giants: Arthrocereus grandiflorus (Cactaceae, Cactoideae), a new species from the Brazilian Cerrado
Primulina clausa, a new species of Gesneriaceae from northern Guangxi, China
Six new synonyms of Camellia furfuracea (Theaceae)
Erratum: Yuan, M.D. & Wang, R.J. (2020) Involucrella lithophila (Rubiaceae: Spermacoceae): A new species from Guangxi, China. Phytotaxa 464 (1): 59–68.