LIAO, S.-Y.; CHEN, Y.-S. Youngia kangdingensis is a new synonym of Youngia pilifera (Asteraceae, Crepidinae). Phytotaxa, Auckland, New Zealand, v. 664, n. 3, p. 214–220, 2024. DOI: 10.11646/phytotaxa.664.3.7. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.664.3.7. Acesso em: 6 dec. 2025.