Synonymy:
Hypochnus longisporus Pat., J. Bot., Paris 8(12): 221 (1894)
Kneiffia longispora (Pat.) Bres., Annls mycol. 1(2): 105 (1903)
Peniophora longispora (Pat.) Höhn., Annls mycol. 3(4): 325 (1905)

Hypochnus euphorbiae Pat., in Patouillard & Lagerheim, Bull. Herb. Boissier 3(1): 58 (1895)

Aegerita tortuosa Bourdot & Galzin, Hyménomyc. de France (Sceaux): 298 (1928) [1927]
Aegeritina tortuosa (Bourdot & Galzin) Jülich, Int. J. Mycol. Lichenol. 1(3): 282 (1984)

Peniophora sulphurea Rick, in Rambo (Ed.), Iheringia, Sér. Bot. 4: 106 (1959)

Peniophora longispora var. macrospora Rick, in Rambo (Ed.), Iheringia, Sér. Bot. 4: 101 (1959)

Position in classification:
Subulicystidium, Hydnodontaceae, Trechisporales, Incertae sedis, Agaricomycetes, Basidiomycota, Fungi

Note:
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