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ABSTRACT
It has been suggested that the anamorph of Ophiostoma francke-grosmanniae is a species of Phialocephala with phialidic conidium development. This would make it the only species in Ophiostoma with a Phialocephala anamorph. Light and fluorescence microscopy seemed to confirm the presence of phialidic conidiogenous cells. However, scanning and transmission electron microscope observations revealed tightly packed, yet distinct annellations in the apical region of the conidiogenous cells. This is indicative of the percurrent enteroblastic proliferation that is diagnostic of Leptographium anamorphs of Ophiostoma. The anamorph of O. francke-grosmanniae should, therefore, be disposed in Leptographium.