Doassansiopsis is a genus of smut fungi belonging to the monotypic family Doassansiopsidaceae Begerow, R.Bauer & Oberw., 1998, within the class Ustilaginomycetes and order Urocystidales.

[1] When order Urocystidales was formed in 1997,[2] and consisted (then) of 4 new families, (Doassansiopsidaceae, Glomosporiaceae, Melanotaeniaceae and Urocystidaceae with 1 genus.

[3] The family Doassansiopsidaceae was created by Begerow, R.Bauer & Oberw.

[4] Members within the Doassansiopsaceae family and family Urocystaceae (or Urocystidaceae) which are both within the order Urocystidales, share a common ultrastructure.

[6] The leaves of Caldesia parnassifolia (Alisma reniforme) can be affected by the water-born fungi, Doassansiopsis hydrophila (A.Dietr.)