New report of Morganella purpurascens in Thailand

•Morganella purpurascens was collected from northern Thailand.•The morphology and phylogeny of this species were characterized in this article.•We reported on a new record of Morganella purpurascens for Thailand.

Morganella purpurascens previously known from Asia, Australia and Pacific Islands, is reported here for the first time from Chiang Mai Province, northern Thailand. This species has tuberculated exoperidium, pitted endoperidium, paracapillitium abundant and minutely spiny basidiospores. A molecular phylogenetic analysis confirmed that this species is most closely related to known Morganella species and is positioned within Lycoperdon sensu lato. A description and illustration are provided.