Private Herbarium of Jason Hollinger (hb. Hollinger)
Strigula stigmatella (Ach.) R.C. Harris
Strigulaceae
Jason Hollinger (2019-09-06)
ID certainty: positive
Jason Hollinger
23534
2019-09-06
2019 Tuckerman Workshop
Canada, Ontario, Sleeping Giant Provincial Park, swamp between Pounsford and Lizard Lakes
48.4813 -88.7642 +-5m.
240 meters (787ft)
_Thuja occidentalis_ swamp with a few scattered _Populus_, _Betula_ and _Alnus_
_Thuja occidentalis_ log
perithecia immersed with broad gray involucrellum? surrounding ostiole, globose, ~300um wide, wall dark brown to 100um above to paler and ~25um below; centrum I- K/I-; hamathecium abundant slender at most weakly anastomosing paraphyses/oids; asci cylindrical, ~110x10-12um, tip weakly thickened with broad shallow squared off ocular chamber, K/I-; spores 8 per ascus, fusiform, hyaline, ~7-septate, 35-40x8um