- Phycomycetes, Phycomycetes group - a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems
--1 is a kind of taxonomic group, taxonomic category, taxon
--1 is a member of Fungi, kingdom Fungi, fungus kingdom