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, vol. 71, no. 3, Nov. 2014, pp. 361-78, https://doi.org/10.1017/S0960428614000183.