Genus | Discharge mode | Sporangia | Flagellated zoospores |
---|---|---|---|
Saprolegnia | saprolegnoid | New sporangia renewed by internal proliferation | dimorphic (primary+secondary) |
Pythiopsis | saprolegnoid | New sporangia renewed sympodially, in cymose or basipetalous fashion | monomorphic (primary) |
Protoachlya | protoachloid | Some zoospores swim and some encyst and form a loose cluster | dimorphic (primary +secondary) |
Isoachlya | saprolegnoid | New sporangia formed by cymose branching or internal proliferation | dimorphic (primary+ secondary) |
Scoliolegnia | saprolegnoid | Newsporangia renewed by internal proliferation, cymose branching or basipetal succession | dimorphic (primary +secondary) |
Newbya | achlyoid | Sporangia fusiform orfiliform, renewed by cymose branching | monomorphic (secondary) |
Aplanes | aplanoid or achlyoid | Sporangia cylindrical or fusiform; spores germinate in situ, inside sporangium | 0 lack flagellate zoospores |
Calyptralegnia | thraustothecoid or calyptralegnoid | Sporangia fusiform, cylindrical or clavate; renewed sympodially, or in a basipetalous or cymose fashion | monomorphic (secondary) |
Aplanopsis | achlyoid or without sporangia | Sporangia usually unknown | no planonts were seen |
Achlya | achlyoid | New sporangia renewed sympodially, in cymose or basipetalous fashion | monomorphic (secondary) |
Thraustotheca | thraustothecoid | Sporangia clavate, obpyriform, fusiform, renewed sympodially or in cymose manner | monomorphic (secondary) |
Leptolegnia | leptolegnoid | Sporangia cylindrical, elongate, sometimes renewed by internal proliferation, spores produced in a single row | dimorphic (primary+ secondary) |
Geolegnia | geolegnoid | Sporangia cylindrical, elongate or swollen at intervals, nonseptate, formed sympodially, spores produced in a single row | 0 lack flagellate zoospores |
Dictyuchus | dictyucoid | Sporangia cylindrical to clavate, renewed sympodially or in basipetalous fashion, spores produced in a 1 or more than one row | monomorphic (secondary) |
Brevilegnia | achlyoid, dictyucoid or brevilegnoid | Sporangia cylindrical to clavate, renewed sympodially, in cymose or basipetalous fashion, spores produced in a 1 or more than one row | monomorphic or not swimming |
Aphanomyces | achlyoid | Sporangia filamentous, spores produced in a single row | dimorphic (primary lackflagella) |