plasmopara pygmaea plasmopara pygmaea plasmopara pygmaea is a plant pathogen infecting anemones. plasmopara pygmaea scientific classification kingdom: chromista phylum: oomycota order: peronosporales family: peronosporaceae genus: plasmopara species: p. pygmaea binomial name plasmopara pygmaea(unger) j. schröt., (1886) synonyms botrytis pygmaea unger, (1847)