sentence: Some of the most common examples come from the relationship between Cladosporium spp. and rust pathogens [ 19,20 ] , such as : C. uredinicola parasitizing Puccinia violae , P. puta and Cronartium fusiforme [ 21,22,23 ] ; C. aecidicola on Melampsora medusae [ 24 ] ; C. tenuissimum parasitizing Uromyces appendiculatus , Cronartium flaccidum and Peridermium pini [ 25,26,27 ] ; C. gallicola on Endocronartium harknessii [ 28 ] ; and C. cladosporioides parasitizing Venturia inequalis and Puccinia striiformis f.sp. tritici [ 29,30 ] .