Summary: Features include tiny, elliptic or circular, black fruitbodies with the spore-bearing surface flat, leathery consistency, absent stem, erumpent growth on Douglas-fir stem, and microscopic characters including 4-spored asci.
It is found in BC (Funk).
Upper surface: apothecia [sexual fruitbodies] 0.05-0.15cm in diameter, ellipsoid to suborbicular [nearly circular], black, spore-bearing surface flat, without margin, black; conidial fruitbody erumpent, black, 0.03-0.1cm in diameter, irregular, becoming shallow cup-shaped or disc-shaped
Flesh: consistency coriaceous [leathery]
Underside: black
Stem: sessile [without a stem]
Microscopic: spores 14-17 x 4-6 microns, elliptic, colorless, continuous [aseptate], with 2 droplets; asci 4-spored, 78-95 x 8-10 microns, clavate; paraphyses "longer than the asci and agglutinated at the tips to form an epithecium", filiform [thread-like], colorless, septate, branched; conidia 15-22 x 5-6 microns, falcate [sickle-shaped], continuous, colorless; conidiophores 10-30 x 2-3 microns, "simple, cylindric, phialidic"
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