| Apothecium | Compressed-pezizoid, then saddle-shaped, 0.8–2.5 cm broad, with a free margin | Cupuliform, 2.3 cm broad | Shallowly cupulate to discoid, 1–2.5 cm broad | Cupuliform, 1.0–4.5 cm broad |
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| Hymenium | Smooth, gray, smoky, hazel or sooty, rarely Rather dark grey-brown white | Even, brown to dark brown, constantly mottled with patches of paler pigmentation | Even, mouse-grey, grey-beige or greyish brown |
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| Receptacle surface | Smoky or hazel and hairy | Concolorous with hymenium, obviously covered by white furfuraceous scales | Villose to densely pubescent, greyish, light brown to dark brown | Concolorous with hymenium or slightly paler, villose to densely pubescent, light to medium brown or grey brown |
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| Stipe | 1.5–6 × 0.2–0.8 cm, smooth, concolorous with apothecium | 1.6 × 0.3 cm, solid, entirely grey-brown except at the extreme base which is pale grey, with furfuraceous surface | 1–6 × 0.2–0.5 cm, internally solid, villose to densely pubescent, concolorous with the receptacle surface | 1.2–7.0 × 0.2–1.0 cm, sometimes with a longitudinal or somewhat compressed groove at base solid, entirely grey, villous throughout |
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| Asci | 250–322 × 15–19 μm | 240–280 × 18–23 μm | 200–300 × 14–22 μm | 210–350 × 13–19 μm |
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| Paraphyses | ca. 2.5 μm wide, enlarged at apex | 4.5–8 μm wide, more or less enlarged at top, 3–4 × 7–10 μm, apex enlarged, brown containing gray pigment diffuse | 4–5 × 6–11 μm, progressively enlarged at apex, containing diffuse, pale gray pigment |
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| Ascospores | Ellipsoid subfusiform, subacute on both sides, tri-guttulatis, 20–25 × 10 μm | Elliptic, containing a large central drop, (18.5) 19–20 (21.2) × 12–14 μm | Subelliptic to subfusiform, uniguttulate, with large central globose to broadly ellipsoidal oil droplet, 21–27.5 × 11.5–15 μm | Fusiform to subfusiform, hyaline, tri- guttulate or unigutulate, warty in cotton blue, 20–25 × 10–12 μm |
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| References | Imai 1932 | Van Vooren 2014 | This study | Van Vooren 2014, this study |
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