Name requested: Rhinotrichum tenellumMycologia 3 (2): 54. 60 (4): 976, 977. 70 (3): 599.
Homotypic synonym: Oidium tenellumMycologia 60 (4): 976, 977. Mycotaxon 12 (1): 123.
Homotypic synonym: Acladium tenellumMycologia 75 (4): 656, 657, 658, 659, 660, 661, 662, 663, 664.
Homotypic synonym: Olpitrichum tenellumMycotaxon 77: 214.
Heterotypic synonym: Rhinotrichum cucumerinumMycologia 3 (2): 54. 60 (4): 977.