43° 9' N, 79° 10' W; UTM Zone 17T, 649250E, 4778500N
On strongly HCl+ rocks on wooded slope.
Thallus: overall appearance pale shade of ISCC# 112, light olive gray; whiter under magnification [2003 XI 29]. Perithecia (visible) to c. 0.35mm, some fused. Black involucrellum extending to c. 1/2 way down perithecium. No algae in perith. Excipulum tan-colored, distinct from involi. Sp. simple, 8, colourless, 16.9-22. 1x10.4-13.7um (n=2).