Paepalanthus strictus Koern. in Martius & Eichler, Fl. Bras. 3(1): 319 (1863)

≡ Dupatya stricta (Koern.) Kuntze, Revis. Gen. Pl. 2: 746 (1891). Type: BRAZIL. Minas Gerais: “Crescenti in prov. Minarum”, s.d., Gardner 5258 (lectotype, here designated: B!, duplicates: G!, P!).

Koernicke (1963) described Paepalanthus strictus based on two collections. The specimen Gardner 5258 in B is more complete and contains annotations by the author, thus is here designated as the lectotype.