Synonymy:
Ceratostomella piceae Münch, Naturwiss. Z. Forst-Landw. 5: 547 (1907)
Ophiostoma piceae (Münch) Syd. & P. Syd., Annls mycol. 17(1): 43 (1919)

Ceratostomella quercus Georgev. [as 'Querci'], Biolog. Generalis 3: 245 (1927)
Ophiostoma quercus (Georgev.) Nannf., in Melin & Nannfeldt, Svensk Skogsvårdsförening Tidskr. 3-4: 408 (1934)
Ceratocystis quercus (Georgev.) C. Moreau [as 'querci'], Revue Mycol., Paris 17(Suppl. Colon. no. 1): 22 (1952)

Ceratostomella fagi Loos, Arch. Mikrobiol. 3: 370 (1932)
Ophiostoma fagi (Loos) Nannf., in Melin & Nannfeldt, Svensk Skogsvårdsförening Tidskr. 3-4: 408 (1934)
Ceratocystis fagi (Loos) C. Moreau, Revue Mycol., Paris 17(Suppl. Colon. no. 1): 22 (1952)

Graphium pyrinum Goid., Boll. R. Staz. Patalog. Veget. Roma, N.S. 15: 132 (1935)

Ophiostoma roboris Georgescu & Teodoru, in Georgescu, Anal. Inst. Cerc. Exp. for., Ser. 1 11: 207 (1948) [1946-47]
Ceratocystis roboris (Georgescu & Teodoru) Potl., in Potlaĭchuk & Shekunova, Novosti Sist. Nizsh. Rast. 22: 154 (1985)

Ophiostoma valachicum Georgescu, Teodoru & Badea, Anal. Inst. Cerc. Exp. for., Ser. 1 11: 198 (1948) [1946-47]
Ceratocystis valachica (Georgescu, Teodoru & Badea) Potl. [as 'valachicum'], in Potlaĭchuk & Shekunova, Novosti Sist. Nizsh. Rast. 22: 155 (1985)

Ophiostoma floccosum Math.-Käärik, Svensk bot. Tidskr. 45: 219 (1951)
Ceratocystis floccosa (Math.-Käärik) J. Hunt, Lloydia 19: 36 (1956)

Pesotum piceae J.L. Crane & Schokn., Am. J. Bot., Suppl. 60(4): 348 (1973)

Position in classification:
Ceratocystis, Ceratocystidaceae, Melanosporales, Hypocreomycetidae, Sordariomycetes, Ascomycota, Fungi

Note:
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