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Page number:329 
Description type:Non-original description 
Description:Diatrype stigma (Hoffm. : Fr.) Fr., Summa veg. scand. 2:385. 1849. Figs. 15-18
Stromata widely effused, often surrounding the twig completely, flat, black, carbonaceous, perithecia in contact, circular to ovoid, 0.15-0.25 mm diam, ostioles 3-4 sulcate (fig. 15). Asci clavate p. sp. (25-) 30-40(-50) x 5-8 µm (fig. 16). Ascospores allantoid, hyaline to subhyaline (5-)5.5-7.5 x 1.5 µm (fig. 17).
Colonies white with irregular contour, abundant aerial mycelium commonly forming threads. Conidia in orange masses, allantoid, minute, 5.5-8.5(-9.5) x 1 µm (fig. 18).
Host. - Quercus sp.
Taxon name: