Name requested: Hysterium insidensMycologia 24 (3): 307, 310, 312, 314, 326. 24 (6): 479. 25 (1): 36. 33 (5): 573. Mycotaxon 62: 366. 101: 179, 181, 182, 184, 186. 103: 87, 92, 93. Transactions of the Mycological Society of Japan 27 (4): 441, 445, 449.
Heterotypic synonym: Hysterium depressumMycologia 24 (3): 310, 326.
Heterotypic synonym: Hysterium fusigerMycologia 24 (3): 312, 326.