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Species MB501012 Anthostomella eucalyptorum Crous & M.J. Wingf. 2006   Non abbreviated authority: Crous & M.J. Wingfield Bibliography: Crous, P.W.; Groeneveld, J.Z.; Wingfield, M.J., 2006, Fungal Planet no. 1: (more info) Year of publication: 2006 Status of the name: basionym; legitimate MycoBank's opinion: currently used Classification: Fungi, Ascomycota, Pezizomycotina, Sordariomycetes, Xylariomycetidae, Xylariales, Xylariaceae, Anthostomella Obligate synonym(s): none Morphic status: Teleomorph (anamorph connection(s) unknown or not recorded) Taxonomic synonym(s): Ordered by epithet name none Descriptions: Latin diagnosis (Crous, P.W.; Groeneveld, J.Z.; Wingfield, M.J. 2006, Fungal Planet no. 1: 1) Anthostomellae eucalypti similis, sed ascosporis minoribus, (7-)8-9(-10) x 4-5(-5.5) µm, differens. Original description (Crous, P.W.; Groeneveld, J.Z.; Wingfield, M.J. 2006, Fungal Planet no. 1: 1) Leaf spots medium brown, subcircular with a raised, thin border and narrow, red-purple margin, up to 8 mm diam; frequently merging with Mycosphaerella leaf spots which are darker brown in colour. Ascomata hypophyllous, solitary to aggregated, ostiolar region papillate, black, shiny, globose, up to 200 µm diam; wall consisting of 3-4 layers of brown textura angularis. Clypeus black, up to 250 µm wide. Paraphyses hyaline, septate, up to 6 µm wide, intermingled between asci, but not exceeding them in length, up to 60 µm long, dissolving in older ascomata. Asci 8-spored, cylindrical, 60-85 x 5-6 µm, stipitate, unitunicate, with a bluntly rounded apex, and a J+, cylindrical-shaped apical ring. Ascospores uniseriate, ellipsoid, smooth-walled, with a central guttule, consisting of a larger brown cell, (7-)8-9(-10) x 4-5(-5.5) µm, and a smaller, hyaline, basal dwarf cell, 1.5-2 µm long and wide, lacking a mucus sheath and germ slit. Colonies fertile when inoculated onto sterile pine needles placed on water agar, forming an Idriella-like anamorph. Conidiophores erect, bearing apical clusters of conidia help together in mucus; conidiophores initially hyaline, becoming brown with age, 2-4-septate, subcylindrical, mostly curved, 20-60 x 3-4 µm; older conidiophores rejuvenating percurrently. Conidiogenous cells apical, polyblastic, proliferating sympodially, 10-20 x 3-3.5 µm. Conidia hyaline, falcate, smooth, base truncate, apex acutely rounded, 20-25 x 1.5-2 µm. Cultural characteristics: Colonies on 2 % potato-dextrose agar1 (Difco) flat, spreading, mostly lacking aerial mycelium, cream-coloured, central part at times with moderate whitish aerial mycelium; margins regular, but somewhat feathery. Typus: Indonesia, Northern Sumatra, on leaves of Eucalyptus sp., Feb. 2004, collected by M.J. Wingfield, CBS-H 19727, holotypus; cultures ex-type CPC 11023 = CBS 120036, CPC 11024-11025. Etymology Named after its host, Eucalyptus. Date entered: 22/12/2005 02:09:29 Entered by: Mycobank administration Illustration #1: Description: Ascomata Author(s): P. Crous Original in: Illustration #2: Description: Conidioma Author(s): P. Crous Illustration #3: Description: Ascus tip Author(s): P. Crous Illustration #4: Description: Asci Author(s): P. Crous Illustration #5: Description: Dematious ascus Author(s): P. Crous Illustration #6: Description: Asci Author(s): P. Crous Illustration #7: Description: Asci Author(s): P. Crous Illustration #8: Description: Asci Author(s): P. Crous Illustration #9: Description: Asci Author(s): P. Crous Illustration #10: Description: Asci Author(s): P. Crous Illustration #11: Description: Ascospore Author(s): P. Crous Illustration #12: Description: Ascospores Author(s): P. Crous Illustration #13: Description: Ascospores Author(s): P. Crous Illustration #14: Description: Conidia Author(s): P. Crous Illustration #15: Description: Conidiophores Author(s): P. Crous Illustration #16: Description: Leaf lesion Author(s): P. Crous Type specimen Herbarium number: CBS H-19727 (CPC 11023 - 11025) Collected by: M.J. Wingfield, Feb 2004, CPC 11023- CPC 11025, 2004 Substrate: Eucalyptus, leaves Location: Indonesia, Northern Sumatra