Puccinia poarum s.l. ex Petasites hybridus

NSG Alfbachtal, Habscheid, RLP, Germany, 5.6.2026

#Puccinia #Pucciniapoarum #Petasites #Petasiteshybridus #Rostpilz #Rustfungus #Phytopathology #Nature #FungiFriends