Pleosporales - CBS - KNAW

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Fungal Diversity long furcate pedicels. Ascospores fusoid to narrowly fusoid, light to dark brown, 1-septate, constricted at the septum. Anamorphs reported for genus: none. Literature: Chesters and Bell 1970; Huhndorf 1993; Mugambi and Huhndorf 2009b; Müller and von Arx 1962; Stevens 1925. Type species Xenolophium leve Syd., Bulletin of the Bernice P. Bishop Museum, Honolulu, Hawaii 19: 97 (1925) (Fig. 97) Current name: Xenolophium applanatum (Petch) Huhndorf, Mycologia 85: 493 (1993). ≡ Schizostoma applanatum Petch, Ann. Roy. Bot. Gard. (Peradeniya) 6: 231 (1916). Ascomata 1–1.5 mm diam., scattered to clustered, erumpent to superficial, globose with base immersed in host tissue, wall black, carbonaceous, roughened with ridges, papillate. Apex with a conspicuous hysteriform papilla extending on the sides, 1–1.4 mm long, 0.4–0.5 mm wide, 0.2–0.3 mm high, smooth, ostiole slit-like, nearly as long as papilla length (Fig. 97a). Peridium 140–160 μm thick, pseudoparenchymatous, composed of two distinct layers: outer crust 16–45 μm thick, blackish, of heavily melanized, nearly opaque thick-walled angular cells, of uneven thickness forming irregular strands extending into the inner layer; inner layer subhyaline, composed of thick-walled prismatic to angular cells, with columns or patches of darker thick-walled cells extending inwardly from the outer layer; papilla wall 200–220 μm thick, of heavily melanized angular thick-walled cells (Fig. 97b and c). Hamathecium of dense, very long trabeculate pseudoparaphyses 0.8–1.5 μm broad, embedded in mucilage, anastomosing and branching between and above the asci. Asci 104–152× 9–12 μm (excluding pedicel) (x ¼ 149 10:2mm, n=10), 8- spored, bitunicate, fissitunicate dehiscence not observed, clavate, with a long, narrowed, furcate pedicel which is 50– 75 μm long (Fig. 97d). Ascospores 17–26×4–5.5 μm (x ¼ 22:5 4:8mm, n=10), upper biseriate and lower uniseriate, fusoid, straight to slightly curved, equally 1-septate, constricted at the septum, the upper cell slightly wider, with one or rarely two additional septa appearing on a small number of senescent ascospores, pale brown, median septum darker, constricted, smooth, without sheath or appendages (Fig. 97e, f and g). Anamorph: none reported. Material examined: MARTINIQUE, Morne Rouge, on rotten wood, leg C. Lécuru, det Jacques Fournier, 29 Aug. 2007, IFRD 2038. Notes Morphology Xenolophium was formally established by Sydow (in Stevens 1925) to accommodate two species, i.e. X. leve and X. verrucosum, ofwhichX. leve is selected as the generic type (Huhndorf 1993). Because of its morphological similarity with some genera, such as Ostropella and Schizostoma, Xenolophium has been treated as a synonym of Ostropella (Müller and von Arx 1962)orevenofLophiostoma (Chesters and Bell 1970). Huhndorf (1993) clarified the circumscription of Xenolophium and treated X. leve as a synonym of Schizostoma applanata. Xenolophium mainly differs from Ostropella in lack of “organized cell composition and triangular pattern of melanization” in the peridium (Huhndorf 1993). Phylogenetic study The polyphyletic nature of Xenolophium has been demonstrated (Mugambi and Huhndorf 2009b). The generic type of Xenolophium (X. leve, current name X. applanatum) clustered together with Ostropella albocincta (generic type of Ostropella), and both locate in Platystomaceae (Mugambi and Huhndorf 2009b). Concluding remarks The large ascomata with slit-like ostioles, hamathecium of numerous and trabeculate pseudoparaphyses, clavate asci with long pedicels, and the pale brown, 1-septate ascospores of Xenolophium leve are all comparable with those of Ostropella albocincta. However, the phylogenetic results do not support them being congeneric (Mugambi and Huhndorf 2009b). Synonyms Javaria Boise, J.R., Acta Amazonica 14(Supl.): 50 (1984). (Melanommataceae) Current name: Astrosphaeriella Syd. & P. Syd., Annls mycol. 11: 260 (1913). Generic description Habitat terrestrial, saprobic. Ascomata medium-sized, scattered, erumpent to nearly superficial, reflexed pieces of the ruptured host tissue usually persisting around the surface of the ascomata; ascomata broadly conical, with a flattened base not easily removed from the substrate, wall black, papillate. Peridium carbonaceous. Hamathecium of trabeculate pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, cylindro-clavate to narrowly fusoid, with a short, narrowed, furcate pedicel. Ascospores elongate-fusoid, hyaline, 1-septate, constricted at the septum. Anamorphs reported for genus: none. Literature: Barr 1990a; Boise 1984. Type species Javaria samuelsii Boise, J.R., Acta Amazonica 14(Supl.): 50 (1984) (Fig. 98)
Fungal Diversity Fig. 96 Wilmia brasiliensis (from UB Col. Microl 8438, holotype). a Section of an ascoma. Note the setae in the ostiole. b Conidioma of the coelomycetous anamorphic stage. c, d Clavate asci with short furcate pedicels. e, f Released 1-septate pale brown ascospores. Scale bars: a, b=100 μm, c, d=20 μm, e, f=10 μm
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Fungal Diversity DOI 10.1007/s13225
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Fungal Diversity Table 1 Major circ
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Fungal Diversity
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Fungal Diversity biocontrol agent o
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Fungal Diversity substrates and man
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Fungal Diversity 2. To investigate
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Fungal Diversity Table 3 (continued
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Fungal Diversity
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Fungal Diversity Fig. 2 Aigialus gr
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Fungal Diversity Fig. 3 Amniculicol
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Fungal Diversity Literature: Berkel
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Fungal Diversity Ascorhombispora L.
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Fungal Diversity
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Fungal Diversity Fig. 8 Astrosphaer
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Fungal Diversity Fig. 9 Asymmetrico
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Fungal Diversity Notes Morphology B
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Fungal Diversity Generic descriptio
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Fungal Diversity Anamorph: none rep
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Fungal Diversity Fig. 14 Bimuria no
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Fungal Diversity Fig. 15 Bricookea
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Fungal Diversity Fig. 16 Byssolophi
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Fungal Diversity Notes Morphology B
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Fungal Diversity the reaction of pe
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Fungal Diversity
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Fungal Diversity Fig. 21 Chaetomast
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Fungal Diversity
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Fungal Diversity Fig. 23 Cilioplea
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Fungal Diversity with one or two ve
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Fungal Diversity Moreau 1953; Munk
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Fungal Diversity Material examined:
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Fungal Diversity Fig. 28 Dothidotth
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Fungal Diversity Fig. 29 Dubitatio
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Fungal Diversity assigned Entodesmi
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Fungal Diversity fusoid to somewhat
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Fungal Diversity Fig. 33 Hadrospora
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Fungal Diversity Fig. 34 Halotthia
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Fungal Diversity Notes Morphology H
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Fungal Diversity some effused Hypox
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Fungal Diversity Fig. 38 Isthmospor
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Fungal Diversity Fig. 39 Kalmusia e
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Fungal Diversity ascospores were br
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Fungal Diversity furcate pedicel an
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Fungal Diversity Anamorph: none rep
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Fungal Diversity
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Fungal Diversity Material examined:
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Fungal Diversity Fig. 46 Lewia scro
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Fungal Diversity Fig. 47 Lichenopyr
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Fungal Diversity Loculohypoxylon M.
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Fungal Diversity cells small heavil
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Fungal Diversity upper place, septa
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Fungal Diversity
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Fungal Diversity (CBS 627.86) was i
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Fungal Diversity Fig. 54 Mamillisph
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Fungal Diversity Fig. 55 Massarina
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Fungal Diversity phaeria as a synon
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Fungal Diversity 5-8 μm diam., ind
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Fungal Diversity cell wall
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Fungal Diversity Fig. 60 Mixtura sa
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Fungal Diversity Fig. 61 Montagnula
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Fungal Diversity spored, bitunicate
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Fungal Diversity Fig. 64 Murispora
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Page 131 and 132: Fungal Diversity Fig. 68 Ohleria mo
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Page 185 and 186: Fungal Diversity Fig. 100 Sporormie
Page 189 and 190: Fungal Diversity Fig. 102 Kriegerie
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Page 209 and 210: Fungal Diversity Table 4 (continued
Page 211 and 212: Fungal Diversity 1987b). Based on a
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Page 217 and 218: Fungal Diversity Kirk PM, Cannon PF
Page 219 and 220: Fungal Diversity Saccardo PA (1880)
Page 221: Fungal Diversity Winter G (1887) As
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Pleosporales - CBS - KNAW

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