Taxonomy et Hier. Alp. Mittl. Skand. (1893) 14 [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium crispum Elfstr. ex Dahlst.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1144497 on 2025-03-27