Pleomassaria siparia v1.0
Conidium of Pleomassaria siparia.
Conidium of Pleomassaria siparia.
Image Credit: Pedro Crous

Pleomassaria siparia (Pleomassariaceae) is a saprotrophic ascomycete in birch woodland and scrub in Europe and East Asia. Plant pathologists now monitor the presence of this species in periods of drought or following windbreaks more closely. Pleomassaria siparia seems to extend its range to the North where new disease agents of forest trees are registered increasingly. It has been suggested that the anamorph (Prosthemium betulinum) can endure lower temperatures and is used for hibernation. This fungus grows on broken twigs and branches of birch trees, but its role as a potential pathogen is not studied.

 

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