Contributions towards a monograph of Phoma (Coelomycetes) IV - Supplement - An addition to section Heterospora: Phoma schneiderae spec. nov., synanamorph Stagonosporopsis lupini (Boerema & R Schneid.) comb. nov

Study in vivo and in vitro of the 'Ascochyta'-pathogen of lupin, indigenous to America, showed its conidial dimorphism. The phomoid phenotype developi ng in vitro and sometimes also in vivo is described as anew species of Phom a sect. Heterospora. The ascochytoid-stagonosporoid phenotype commonly occu rring in association with disease symptoms is transferred to Stagonosporops is.