Abstract

It has been suggested that the anamorph of Ophiostomafrancke-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 ftuorescence microscopy seemed to confirm the presence ofphialidic 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 percurrcnt enteroblastic proliferation that is diagnostic of Leplographium anamorphs of Ophiosloma. The anamorph of o. francke-grosmanniae should, therefore, be disposed in Leptographium.

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