Kunth, C.S. (1822), Synopsis Plantarum 1: 9 [tax. nov.]

Murrill, W.A. (1908), Polyporaceae, Part 2. North American Flora 9 (2): 93 [basionym]

basionym of: Coltricia spathulata (Hook.) Murrill legitimate

Ryvarden, L. (1991), Genera of polypores, nomenclature and taxonomy. Synopsis Fungorum 5: 196 [basionym]

basionym of: Phylloporia spathulata (Hook.) Ryvarden legitimate

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