The names Arenariamattfeldii, A.pallens, A.peruviana, A.pintaudii, and A.stuebelii (Caryophyllaceae, Arenarieae) from Peru and Bolivia were studied and neotypified based on specimens preserved at B and P.
Keywords: Arenarieae; Bolivia; Peru; nomenclatural type.
Daniel B. Montesinos-Tubée, Duilio Iamonico.