Synonymy:
Sphaeria portentosa Mont., Annls Sci. Nat., Bot., sér. 2 8: 358 (1837)
Xylaria portentosa (Mont.) Mont., Syll. gen. sp. crypt. (Paris): 201 (1856)

Position in classification:
Xylobotryum, Xylobotryaceae, Xylobotryales, Incertae sedis, Xylobotryomycetes, Ascomycota, Fungi

Note:
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