Abstract
Fourteen species of stromatic pyrenomycetous fungi (family Xylariaceae) collected in northern Thailand are discussed. Six of these (
Biscogniauxia lithocarpi
,
Camillea malaysiensis
var.
macrospora
,
Hypoxylon juventuterubrum
,
H. pseudoretpela
,
H. rubroargillaceum
, and
H. sepipigmentum
) are described as taxa new to science. Illustrations of these taxa are provided, and they are compared with similar taxa known from the Western Hemisphere.