ANDERSON, C. HIRAEA CUNEATA, H. MACROPHYLLA, AND FOUR NEW SPECIES CONFUSED WITH THEM: H. HATSCHBACHII, H. OCCHIONII, H. REITZII, AND H. RESTINGAE (MALPIGHIACEAE). Edinburgh Journal of Botany, v. 71, n. 3, p. 361–378, 7 Nov.2014.