BLANCA, G.; CUETO, M.; FUENTES, J.; ORTEGA-OLIVENCIA, A. Claiming a Boissierian species of Asperula (Rubiaceae), but under a new name: Galium pierredmondii. Phytotaxa, Auckland, New Zealand, v. 487, n. 3, p. 251–262, 2021. DOI: 10.11646/phytotaxa.487.3.5. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.487.3.5. Acesso em: 6 dec. 2025.