Definition that contains class oomycetes
- chytridiales simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes
- order blastocladiales fungi that carry out asexual reproduction by thick-walled resting spores that produce zoospores upon germination; sometimes placed in class Oomycetes
- order chytridiales simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes
- blastocladiales fungi that carry out asexual reproduction by thick-walled resting spores that produce zoospores upon germination; sometimes placed in class Oomycetes