Bazzania arcuata var. mamillosa Gradst. et A.R.Benitez,

Nova Hedwigia 99 (1/2): 113, 2014 (see Gradstein & Benitez 2014).

TYPE: “ Ecuador, Zamora Chinchipe, Palanda, La Canela, northern slope of Cerro Plateado, ca. 2300 m, on moist soil and on bases of dwarf trees in rather low and open woody vegetation, 20 August 2012, A.Benitez 558 (holotype: PC; isotype: HUTPL)” .

NOTE: This name also creates the autonym.