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198 results for “Dothideomycetes”
FIGURE 4 Wiesneriomyces conjunctosporus. A–C in Wiesneriomyces a new lineage of Dothideomycetes (Ascomycota) basal to Tubeufiales
FIGURE 4 Wiesneriomyces conjunctosporus. A–C. Sporodochia on natural substratum. D–E. Setae. F. Conidiophores. G–H. Conidia. Scale bars: A–C = 200 µm, D–E, G–H = 20 µm, F = 10 µm.
FIGURE 9 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 9. Zukaliopsis amazonica (isotype). a–b. Herbarium specimen. c–d. Ascostromata on natural substrate. e–f. Cross section of ascostromata. g. Ascus in water. h–k. Asci in cotton blue. l–n. Ascospores in water. o. Ascospore in cotton blue. p. Ascospores in Melzer's. Scale bars: c = 1 mm, d = 200 µm, e–f = 50 µm, g–p = 10 µm.
FIGURE 2 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 2. Anhellia tristis (isotype). a–b. Herbarium material. c–d. Ascostromata on host substrate. e–f. Cross section of the ascostromata showing locules mostly at the periphery. g. Immature ascus stained in cotton blue. h. Mature ascus. i–j. Mature asci stained in cotton blue. k. Dehiscence of mature ascus. l. Smooth-walled ascospore. m–n. Ascospores stained in cotton blue. Scale bars: c = 200 µm, d–f = 100 µm, g–k = 10 µm, l–n = 5 µm.
FIGURE 3 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 3. Ascostratum insigne (holotype). a–c. Herbarium material. d–f. Ascostromata on host surface. g–i. Cross section of ascostromata. j–l. Immature asci with distinct, short pedicel in j. m. Asci with ascospores. n–r. Ascospores. Scale bars: d = 1000 µm, e–f = 200 µm, g = 50 µm, h–i = 20 µm, j–r = 10 µm.
FIGURE 3 Wiesneriomyces laurinus. A. Branched conidiophores. B. Conidia. C in Wiesneriomyces a new lineage of Dothideomycetes (Ascomycota) basal to Tubeufiales
FIGURE 3 Wiesneriomyces laurinus. A. Branched conidiophores. B. Conidia. C. Sporodochia with incurved setae. Scale bars: A–B = 10 µm, C = 20 µm.
FIGURE 6 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 6. Eurytheca trinitensis (holotype). a. Herbarium material. b. Ascostromata on host substrate. c. Section of ascostroma. d–e. Asci arrangement within hamathecium. f. Immature ascus. g–h. Mature asci with short pedicel bearing eight irregularly arranged ascospores. i–k. Smooth-walled, hyaline ascospores. l. Ascospore stained with cotton blue. Scale bars: c–f = 100 mm, g–l = 10 mm.
FIGURE 4 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 4. Dictyocyclus hydrangea (holotype). a. Herbarium material. b. Ascostroma on host surface. c–d. Squash mount of ascostromata. e. Cross section through ascostroma. f. Immature ascus. g–i. Mature asci with 8 ascospores. j–m. Ascospores. Scale bars: c = 200 µm, d–e = 50 µm, f = 10 µm, g–i = 20 µm, j–m = 10 µm.
FIGURE 1 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 1. Myriangium duriaei (holotype). a. Ascostromata on host surface. b–c. Locules in cross-section of the ascostromata (b redrawn from Gäumann 1928). d. Apedicellate ascus with 8 ascospores. e–f. Asci stained in cotton blue. g. Muriform, hyaline ascospore. h. Ascospore stained in cotton blue. Scale bars: b = 500 µm, c–e = 30 µm, f = 20 µm, g–h = 10 µm.
FIGURE 2 in Trichopeltinaceae (Dothideomycetes), an earlier name for Brefeldiellaceae, with a new species of Trichopeltina
FIGURE 2. Trichopeltina labecula (PC 0084646) a. Specimen. b–c. Thallus on host substrate. d Ascomata and ostiole in 70% lactic acid. e–f. Cells of thallus and ascomata. g. Squash mount of contents of ascoma stained in Melzer's reagent. h. Mature ascus. i. Mature ascus stained in Melzer's reagent. j. Mature ascus stained in cotton blue reagent. k. Immature 1-septate ascospore. l. Immature ascospore stained in cotton blue reagent. m. Ascospore stained in Melzer's reagent. Scale bars: d, e = 100 µm, f, h–j = 20 µm, g, k–m = 10 µm.
FIGURE 1 in Trichopeltinaceae (Dothideomycetes), an earlier name for Brefeldiellaceae, with a new species of Trichopeltina
FIGURE 1. Trichopeltina labecula (lectotype). a. Specimen. b–c. Thallus and thyriothecia a on host substrate. d. Thyriothecia under thallus in 70% lactic acid, showing ostioles. e. Cells of thallus. f. Thyriothecium at maturity composed of darkly pigmented cells. g–h. Asci stained in Melzer's reagent. i. Asci stained in cotton blue reagent. j. Ascospore stained in cotton blue reagent. k. Immature ascospore stained in Melzer's reagent. l. Immature ascospore stained in Melzer's reagent. Scale bars: d, f = 50 µm, e, g–i = 20 µm, j–l = 10 µm.
FIGURE 4. Acrogenotheca pulcherrima. a–b. Specimen. c in Trichopeltinaceae (Dothideomycetes), an earlier name for Brefeldiellaceae, with a new species of Trichopeltina
FIGURE 4. Acrogenotheca pulcherrima. a–b. Specimen. c. Thallus and thyriothecia on surface of host. d. Cells of upper wall of thyriothecia. e. Erect mycelia with branches. f–h. Intercalary or sometimes terminal pycnidia. i–j. Asci. k. Ascus stained in cotton blue reagent. l–o. Ascospores with 2-septa. p–u. Conidia. Scale bars: f–k = 20 µm, l–o = 10 µm, d–e, p–s = 100 µm.
FIGURE 5 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 5. Diplotheca tunae (isotype). a. Herbarium material. b. Ascostromata occurring on substrate. c. Partial section through ascostroma. d. Peridium wall. e–f. Asci. g. Ascospores. Note colour change in 3% KOH, becoming pinkish or purple in c, f and g. Scale bars: b = 500 µm, c = 100 µm, d–g = 20 µm.
FIGURE 8 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 8. Micularia merremiae (holotype). a. Herbarium specimen. b–d. Superficial ascostromata on substrate. e. Section through ascostroma. f. Dark brown hairs around apex of ascostroma. g. Cells of ascostroma. h–j. Immature and mature asci. k. Mature ascus stained with cotton blue. l–p. Ascospores. Scale bars: b, c = 1 mm, d = 50 µm, e–f = 10 µm, g = 5 µm, h–p = 10 µm.
FIGURE 7 in The status of Myriangiaceae (Dothideomycetes)
FIGURE 7. Hemimyriangium betulae (isotype). a. Herbarium material. b–c. Ascostromata on host substrate. d. Cross section of ascostroma. e–f. Peridium of locules. g. Immature and mature asci stained with cotton blue. h. Immature ascus. i. Immature ascus stained with cotton blue. j–k. Mature asci. l–n. Mature asci stained with cotton blue. o–p. Smooth to verrculose walled ascospores. q–s. Ascospore stained with cotton blue. Scale bars: b = 2 mm, c = 200 µm, d = 400 µm, e = 100 µm, f–g = 40 µm, h–s = 10 µm.
FIGURE 2. Goosia melastomatis. A. Hyphae with immature ascomata and hyphopodia. B. Phialides and hyphopodia. C. Asci containing ascospores. D. Ascospores with one septum. E in Englerulaceae (Dothideomycetes)
FIGURE 2. Goosia melastomatis. A. Hyphae with immature ascomata and hyphopodia. B. Phialides and hyphopodia. C. Asci containing ascospores. D. Ascospores with one septum. E. Globose conidia. Scale bars: A, B = 30 µm, C = 15 µm, D, E = 10 µm. Redrawn from Bin (2003).
FIGURE 5 in Englerulaceae (Dothideomycetes)
FIGURE 5. Schiffnerula mirabilis (holotype). A. Superficial ascomata on brown hyphae with brown conidia. B. Globose to ovate asci surrounding by thin peridium. C. Alternate to unilateral, subglobose, dark brown hyphopodia. D, E. Ascospores (Drawn based on slides). Scale bars: A, B = 10 µm, C–E = 5 µm.
FIGURE 1 in Englerulaceae (Dothideomycetes)
FIGURE 1. Englerula macarangae (syntype). A. Appearance of colonies on lower leaf surface (left), and close up of ascomata on mycelium (right). B. Squash mount of ascoma. C–G. Asci with ascospores. F. Dehisced ascus. H. Immature ascospores. I–J. Brown mature ascospores surrounded by mucilaginous material. Scale bars: A = 100 µm, B–G = 50 µm, H–J = 20 µm.
FIGURE 5 in A re-assessment of Elsinoaceae (Myriangiales, Dothideomycetes)
FIGURE 5. Stephanotheca micromera (holotype). a. Material label. b–c. Appearance of thyriothecia on host. d. Squash mount of thyriothecium. e. Cells of upper wall of thyriothecium. f. Arrangement of asci around ascomata. g–i. Asci. j–k. Immature ascospores. Scale bars: b = 500 µm, c = 200 µm, d = 100 µm, f = 50 µm, e–g = 20 µm, h–k = 10 µm.
FIGURE 4 in A re-assessment of Elsinoaceae (Myriangiales, Dothideomycetes)
FIGURE 4. Molleriella mirabilis (type) material redrawn from Höhnel (1909). a. Herbarium material. b. Pseudoascostromata on host substrate. c. Section through pseudoascostroma. d. Asci. e–f. Immature asci. g. Mature ascus. h. Immature ascus stained in cotton blue reagent. i–k. Irregularly arranged hyaline 6–8-septate ascospores. i. Ascospore stained in cotton blue. Scale bars: c–d = 100 µm, e–l = 10 µm.
FIGURE 4 in Englerulaceae (Dothideomycetes)
FIGURE 4. Rhytidenglerula carnea (holotype) A. Colonies on lower surface of leaf. B. Ascomata on mycelium. C. Ascoma containing asci. D. Squash of ascoma. E. Young ascoma on hyphae. F. Hyphopodia and hyphae. G, H. Mature asci with ascospores and showing apical chamber. I, J. Immature asci. K, L. Ascospores with one septum. M. Fractured ascus with ascospores. Scale bars: A = 5 mm, B = 100 µm. C = 50 µm, D = 10 µm, E–M = 5 µm.
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