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Page number:26 
Remarks (internal):Conferticium karstenii can be distinguished by the pseudoparenchymatic texture, clampless-septate hyphae and finely verrucose basidiospores, 5.5-7.5 x 3.5-4.5 µm. 
Description type:Non-original description 
Description:Conferticium karstenii (Bourdot & Galzin) Hallenberg, Mycotaxon 11: 448, 1980.
(Fig. 18)
? Gloeocystidium karstenii Bourd. & Galzin, Hym. France, 254, 1928.
Distribution: Asia [Iran (Hallenberg, 1980), Korea (Jung, 1991b)], Europe, and North America. New to Japan.
Basidiomata resupinate, adnate, effused, 100-200 pm thick; hymenial surface "Buff" to "Isabelline", smooth, pruinose under the lens; margin grayish white to "Buff", thinning out, sometimes pruinose under the lens. In vertical section, subhyaline, membranous to crustose, pseudoparenchymatic. Hyphal system monomitic; hyphae 1.5-3 µm in diam, smooth, thin- to slightly thick-walled (up to 0.5 µm, clampless-septate; cystidia (gloeocystidia) numerous, tubular, sometimes with an apical appendix, 30-81 x 4-12 µm, without a basal clamp, smooth, thin- to thick-walled (up to 1 µm), sometimes slightly projecting beyond the hymenial surface, positive in sulphobenzaldehyde; basidia narrowly clavate, 21-39 x 5-7 µm, without a basal clamp, producing 4 sterigmata; basidiospores ellipsoid, 5.5-7.5 x 3.5-4.5 µm, finely verrucose, thin-walled, amyloid.
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