Name requested: Peniophora gracillimaMycologia 36 (1): 98. 56 (4): 615, 624. Mycotaxon 10 (2): 441. Sydowia 9 (1-6): 104, 175.
Homotypic synonym: Tubulicrinis gracillimusMycologia 83 (2): 140. Mycotaxon 25 (1): 277. 27: 361, 364, 365, 369. 42: 379, 380, 383. 52 (1): 32, 35, 36, 37, 38, 39. 56: 469, 470. 65: 266, 370, 374. 70: 122. 82: 236. 83: 94, 122. Persoonia 9 (4): 470.
Heterotypic synonym: Corticium glebulosumPersoonia 9 (4): 470.
Heterotypic synonym: Tubulicrinis glebulosusMycotaxon 6 (1): 75. 13 (1): 120, 122, 123. 81: 223. 86: 61. Persoonia 9 (4): 458*, 470.