Pleosporales - CBS - KNAW

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Fungal Diversity Concluding remarks Acrocordiopsis, Astrosphaeriella sensu stricto, Mamillisphaeria, Caryospora and Caryosporella are morphologically similar as all have very thick-walled carbonaceous ascomata, narrow pseudoparaphyses in a gelatinous matrix (trabeculae) and bitunicate, fissitunicate asci. Despite their similarities, the shape of asci and ascospores differs (e.g. Mamillisphaeria has sac-like asci and two types of ascospores, brown or hyaline, Astrosphaeriella has cylindro-clavate asci and narrowly fusoid ascospores, both Acrocordiopsis and Caryosporella has cylindrical asci, but ascospores of Caryosporella are reddish brown). Therefore, the current familial placement of Acrocordiopsis cannot be determined. All generic types of Astrosphaeriella sensu stricto, Mamillisphaeria and Caryospora should be recollected and isolated for phylogenetic study. Aigialus Kohlm. & S. Schatz, Trans. Br. Mycol. Soc. 85: 699 (1985). (Aigialaceae) Generic description Habitat marine, saprobic. Ascomata mostly subglobose in front view, fusoid in sagittal section, rarely subglobose, scattered, immersed to erumpent, papillate, ostiolate, ostiole rounded or slit-like, periphysate. Peridium 2-layered. Hamathecium of trabeculate pseudoparaphyses. Asci 8-spored, cylindrical, pedicellate, with an ocular chamber and conspicuous apical ring. Ascospores ellipsoidal to fusoid, muriform, yellow brown to brown, with terminal appendages. Anamorphs reported for genus: none. Literature: Eriksson 2006; Jones et al. 2009; Kohlmeyer and Schatz 1985; Lumbsch and Huhndorf 2007. Type species Aigialus grandis Kohlm. & S. Schatz, Trans. Br. Mycol. Soc. 85: 699 (1985). (Fig. 2) Ascomata 1–1.25 mm high×1–1.3 mm diam. in front view, 250–400 μm broad in sagittal section, vertically flattened subglobose, laterally compressed, scattered, immersed to semiimmersed, papillate, with an elongated furrow at the top of the papilla, wall black, carbonaceous, ostiolate, ostiole filled with branched or forked septate periphyses (Fig. 2a). Peridium 70– 100 μm thick laterally, up to 150 μm thick at the apex, thinner at the base, comprising two cell types, outer layer composed of small heavily pigmented thick-walled pseudoparenchymatous cells, cells 1–2 μm diam., cell wall 2–5 μm thick, inner layer thin, composed of small hyaline cells (Fig. 2b). Hamathecium of dense, very long trabeculate pseudoparaphyses, 0.8–1.2 μm broad, embedded in mucilage, anastomosing and branching above the asci. Asci 450–640×22–35 μm (x ¼ 505 30mm, n=10), 8-spored, bitunicate, fissitunicate, cylindrical to cylindro-clavate, with a long furcate pedicel, 90–180 μm long, with a low truncate ocular chamber and a refractive apical apparatus (to 12 μm wide×4 μm high) (Fig. 2e and f). Ascospores 75–95×15–26 μm (x ¼ 84:3 17:5mm, n=10), obliquely uniseriate and partially overlapping, broadly fusoid to fusoid with narrowly rounded ends in front view, flat on one side from side view (14–20 μm thick), yellowish brown, apical cells usually hyaline, muriform, with 14–17(−18) transversal septa, 1–3 longitudinal septa in most cells, slightly constricted at the septa, with a gelatinous cap at each end (Fig. 2c and d). Anamorph: none reported. Material examined: BELIZE, Wee-Wee Cay, on submerged wood of roots and branches of Rhizophora mangle L., Mar. 1983, leg. J. Kohlmeyer (NY, J.K. 4332b, isotype). Notes Morphology Aigialus was formally established by Kohlmeyer and Schatz (1985) based on its immersed or semi-immersed ascomata with periphysate ostiole, trabeculate pseudoparaphyses, cylindrical and fissitunicate asci, and distinctive muriform ascospores with gelatinous sheath or caps. There are five accepted species in the genus, namely A. grandis, A. mangrovei Borse, A. parvus S. Schatz & Kohlm., A. rhizophorae Borse and A. striatispora K.D. Hyde (Jones et al. 2009). Aigialus was first assigned to the Melanommatales, but its familial status was uncertain (Kohlmeyer and Schatz 1985). Barr (1990b) included Aigialus in Massariaceae based on its conspicuous apical ring in the asci and ascospore characters, and this has subsequently been widely followed (Eriksson 2006; Hawksworth et al. 1995; Kirk et al. 2001; Lumbsch and Huhndorf 2007). Phylogenetic study The generic type of Aigialus (A. grandis) together with other three marine species, i.e. A. mangrovei, A. parvus as well as A. rhizophorae form a robust clade on the phylogenetic tree. Thus a new family, Aigialaceae, was introduced to accommodate Aigialus together with Ascocratera and Rimora (Suetrong et al. 2009). Concluding remarks The pleosporalean status of Aigialus has been phylogenetically verified, and the single branch containing Aigialus, Ascocratera and Rimora represents a familial rank of Aigialaceae (Suetrong et al. 2009). Amniculicola Yin. Zhang & K.D. Hyde, Mycol. Res. 112: 1189 (2008). (Amniculicolaceae) Generic description Habitat freshwater, saprobic. Ascomata solitary, scattered, or in small groups, initially immersed, becoming erumpent,
Fungal Diversity Fig. 2 Aigialus grandis (from NY, J.K. 4332b, isotype). a Ascomata on the host surface. Note the longitudinal slit-like furrow which is the ostiole. b Section of the peridium. c, d Released ascospores. e Ascospores in ascus. Note the conspicuous apical ring. f Cylindrical ascus with a long pedicel. Scale bars: a=1 mm, b=200 μm, c–f= 20 μm
Page 1 and 2: Fungal Diversity DOI 10.1007/s13225
Page 3 and 4: Fungal Diversity Table 1 Major circ
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Page 9 and 10: Fungal Diversity substrates and man
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Page 27 and 28: Fungal Diversity Ascorhombispora L.
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Page 35 and 36: Fungal Diversity Notes Morphology B
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Page 41 and 42: Fungal Diversity Fig. 14 Bimuria no
Page 43 and 44: Fungal Diversity Fig. 15 Bricookea
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Page 47 and 48: Fungal Diversity Notes Morphology B
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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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Fungal Diversity Type species Neoph
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Fungal Diversity brown, 8-septate,
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Fungal Diversity Fig. 68 Ohleria mo
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Fungal Diversity Fig. 69 Ohleriella
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Fungal Diversity Fig. 70 Ophiobolus
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Fungal Diversity Type species Ostro
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Fungal Diversity
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Fungal Diversity (Shoemaker and Bab
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Fungal Diversity ium thin, composed
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Fungal Diversity Fig. 76 Platysporo
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Fungal Diversity Fig. 77 1 Pleomass
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Fungal Diversity Fig. 78 Pleophragm
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Fungal Diversity papillate, ostiola
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Fungal Diversity Williams 1963; Mal
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Fungal Diversity Generic descriptio
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Fungal Diversity composed of one ce
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Fungal Diversity Fig. 84 Saccharico
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Fungal Diversity and nearly black a
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Fungal Diversity dense, long trabec
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Fungal Diversity Anamorphs reported
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Fungal Diversity Fig. 94 Westerdyke
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Fungal Diversity Fig. 95 Wettsteini
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Fungal Diversity Fig. 96 Wilmia bra
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Fungal Diversity Current name: Astr
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Fungal Diversity spores are actuall
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Fungal Diversity Fig. 100 Sporormie
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Fungal Diversity
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Fungal Diversity Fig. 102 Kriegerie
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Fungal Diversity Phylogenetic study
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Fungal Diversity Fig. 104 Zeuctomor
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Fungal Diversity Fig. 105 Muroia ni
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Fungal Diversity pseudoparenchymato
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Fungal Diversity Eremodothis Arx, K
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Fungal Diversity Type species: Macr
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Fungal Diversity ascospores of Plat
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Fungal Diversity monoceras Alcorn n
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Fungal Diversity tomataceae, Melano
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Fungal Diversity Table 4 (continued
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Fungal Diversity 1987b). Based on a
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Fungal Diversity only do so under v
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Fungal Diversity Dennis RWG (1968)
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Fungal Diversity Kirk PM, Cannon PF
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Fungal Diversity Saccardo PA (1880)
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Fungal Diversity Winter G (1887) As
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Pleosporales - CBS - KNAW

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