Key to nine ubiquitous soil-borne Phoma-like fungi

The differentiating characteristics on agar-media of Pyrenochaeta acicola, Phoma chrysanthemicola, P. eupyrena, P. fimeti, P. glomerata, P. herbarum, P. medicaginis var. pinodella, and P. prunicola are discussed and illustrated. In a supplementary note the nomenclature of Pyrenochaeta acicola, Phoma chrysanthemicola, P. eupyrena, and P. fimeti is recorded.