Viljandiomycetes Tedersoo class. nov.

Type order.

Viljandiales Tedersoo .

Diagnosis.

Distinguishable from other fungi based on a diagnostic nucleotide signature in LSU D 2 (positions 464–478 in type species and 490–504 in S. cerevisiae ctggccaacatcagt, one mismatch allowed). Forms a monophyletic, least inclusive clade in Viljandiomycota, covering sequences EUK 1699905, EUK 1104555, EUK 1124343, EUK 1124346, EUK 1104962, EUK 1124344, EUK 1202387, EUK 1100361, EUK 1201679, EUK 1105441, EUK 1124341, and EUK 1124345 (Fig. 1).

Notes.

Recognized based on eDNA sequences only. Currently harbors Viljandiales (ord. nov.).