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NO BCRC Number! | |||
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Rhytidhysteron rufulum | |||
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Rhytidhysteron rufulum (Spreng.:Fr.) Speg., An. Soc. Cient. Argent. 90: 177. 1920. Basionym: Hysterium rufulum Spreng., Kongl. Vetensk. Acad. Handl. 1820:50. 1820. |
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Ascomata apothecioid, up to 1.5 mm in diam. With a brick-red hymenium,when dry the side of apothecium rolling inwards and becoming hysterothecioid and 1-3 × 0.5-1 mm, rarely branched and triradiate, coriaceous, scattered to aggregated, erumpent-superficial, subsessile, the lips (apex of ectal excipulum) involved, with distinct or indistinct transverse striate when viewed from the surface. The wall of two regions, the outer (ectal excipulum) 80-100 μm cells, and the inner (medullary excipulum) composed of light brown, thin-walled cells which are arranged longitudinally toward the base. Asci bitunicate, cylindrical, 130-160 × 11-14 μm, with a short stipe up to 24 μm in length, 8-spored, interspersed with paraphysoidal hyphae which branched and swell at the tip to form an dark reddish epithecium. Ascospores uniseriate, broadly fusiform, straight to inequilateral, 23-30 × 7-10 μm, reddish brown, 3-septate, slightly constricted at septa. | |||
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Taiwan, Nantou County, Sun-Moon-Lake, 20 Feb. 1992, NCHUPP-2306. |
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On indet. wood. | |||
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Common in the tropics. |
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Chen, CY. and Hsieh, WH. 1996; Samuels, GJ. and Müller, E. 1979. |
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W. H. Hsieh |
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