Name requested: Mycocalicium subtileLichenologist 12 (1): 64. 14 (2): 134. 35 (3): 203, 203, 213. Lichens of North America null: 292. Mycotaxon 35 (2): 422. 40: 239. 58: 212. 71: 183, 189, 197. 83: 357, 359.
Heterotypic synonym: Calicium subtileAnnales Mycologici 37 (1-2): 63. Lichenologist 3 (1): 106, 106. 12 (1): 64. 35 (3): 203.