Name requested: Cercospora effusaMycologia 33 (5): 578. 41 (1): 16. Mycotaxon 55: 231. 72: 183.
Heterotypic synonym: Helminthosporium hydropiperisMycologia 8 (1): 43. Mycotaxon 72: 184.
Heterotypic synonym: Cercospora polygonorumMycologia 8 (1): 43. 29 (1): 31. 41 (1): 17. Mycotaxon 55: 231. 72: 184.
Heterotypic synonym: Cercospora hydropiperisAnnales Mycologici 30 (3-4): 320. Mycologia 8 (1): 43. 29 (1): 31. 41 (1): 17. Mycotaxon 55: 231. 72: 184.