Basionym Name:Helminthosporium obtusissimum Berk. & M.A. Curtis, [as 'Helmisporium'], in Berkeley, Grevillea 3(no. 27): 103 (1875)
Homotypic synonyms:Brachysporium obtusissimum (Berk. & M.A. Curtis) Sacc., Syll. fung. (Abellini) 4: 426 (1886)