CARINE, M. A.; CHRISTENHUSZ, M. J. M. About this volume: the monograph of Hypericum by Norman Robson. Phytotaxa, Auckland, New Zealand, v. 4, n. 1, p. 1–4, 2013. DOI: 10.11646/phytotaxa.4.1.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.4.1.1. Acesso em: 5 dec. 2025.