Petasites albus
Specie abbondanti e frequenti
- 15.1.1.1 Suball. Caricenion remotae Zechmeister, Harald & Mucina 1994
- 15.1.2 All. Cratoneurion commutati Koch 1928
- 15.2.1 All. Cratoneurion commutati Koch 1928
- 43.1.2 All. Arunco dioici-Petasition albi Br.-Bl. & Sutter 1977
- 71.1.10.1 Suball. Alnenion glutinoso incanae Oberd. 1953
- 74.1.1.2 Suball. Abieti-Piceenion Br.-Bl. in Br.-Bl. et al. 1939