Synonymy:
Botrytis arborescens Berk., J. hort. Soc., London 1: 31 (1846)

Peronospora grisea var. minor Casp., in Rabenhorst, Klotzschii Herb. Viv. Mycol., Edn Nov, Ser. Sec., Cent. 4: no. 323 (1857)
Peronospora minor (Casp.) Gäum., Mitt. naturf. Ges. Bern: 62 (1918)

Position in classification:
Peronospora, Peronosporaceae, Peronosporales, Peronosporidae, Peronosporea, Oomycota, Chromista

Note:
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