SZELĄG, Z. Hieracium sourekii (Asteraceae), a new species in the H. senescens aggregate and the discovery of H. subortum in the Sudetes, Poland. Phytotaxa, Auckland, New Zealand, v. 696, n. 3, p. 217–223, 2025. DOI: 10.11646/phytotaxa.696.3.2. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.696.3.2. Acesso em: 16 apr. 2025.