Basionym Name:Isariopsis tweediana Speg., Anal. Mus. nac. B. Aires, Ser. 3 13: 451 (1910)
Homotypic synonyms:Phaeoisariopsis tweediana (Speg.) Sacc. & Trotter, Syll. fung. (Abellini) 22(2): 1456 (1913)