ENGEL, J. J. Austral Hepaticae 50. Gackstroemia in New Zealand, together with an interesting new species. Phytotaxa, Auckland, New Zealand, v. 118, n. 1, p. 9–21, 2013. DOI: 10.11646/phytotaxa.118.1.2. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.118.1.2. Acesso em: 6 dec. 2025.