TEOFILOVSKI, A. Hieracium ratkae (Asteraceae), a new species of the H. retyezatense aggregate from the Radika River basin, North Macedonia. Phytotaxa, Auckland, New Zealand, v. 778, n. 3, p. 289–294, 2026. DOI: 10.11646/phytotaxa.778.3.7. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.778.3.7. Acesso em: 9 oct. 2026.