Name requested: Peronospora farinosa f.sp. betaeMycotaxon 41 (1): 158. 86: 257.
Heterotypic synonym: Peronospora amaranthiAnnales Mycologici 32 (1-2): 39. Sydowia 2 (1-6): 260.
Heterotypic synonym: Peronospora farinosaAnnales Mycologici 15 (1-2): 100. Mycologia 41 (3): 329. Mycotaxon 41 (1): 157, 158. 58: 317. 86: 257. 97: 198, 200, 203. Sydowia 38: 362.
Heterotypic synonym: Peronospora chenopodiiglauciAnnales Mycologici 30 (3-4): 355.