plasmodiophora

from The Century Dictionary.

• noun A genus of myxomycetous fungi, giving name to the family Plasmodiophoreæ. The spores are free, not quaternate, and are disposed in sori; they emit zoöspores in germination.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun type genus of Plasmodiophoraceae comprising minute plant parasitic fungi similar to and sometimes included among the slime molds