MeSH definition : A phylum of fungi that was formerly considered a subdivision of Phycomycetes. They
are the only fungi that produce motile spores (zoospores) at some stage in their life
cycle. Most are saprobes but they also include examples of plant, animal, and fungal
pathogens.;
A phylum of fungi that was formerly considered a subdivision of Phycomycetes. They
are the only fungi that produce motile spores (zoospores) at some stage in their life
cycle. Most are saprobes but they also include examples of plant, animal, and fungal
pathogens.