MARSHALL, S.; LUK, S.; DONG, H. A revision of the New Zealand species of Howickia Richards. Zootaxa, Auckland, New Zealand, v. 3887, n. 1, p. 1–36, 2014. DOI: 10.11646/zootaxa.3887.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.3887.1.1. Acesso em: 1 may. 2025.