Hemitrichia spinosa H. Neubert & Nann.-Bremek., Z. Pilzk. 43(2):237 (1977) [see pdf]

[See comments under genus Hemitrichia]

Hyporhamma spinosum (H. Neubert & Nann.-Bremek.) Lado, Cuad. Trab. Fl. Micol. Iber. 16:48 (2001) [see pdf] ["spinosa"]