Pleosporales - CBS - KNAW

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Fungal Diversity Fig. 81 Preussia funiculata (from TRTC 46985). a Superficial cleistothecoid ascomata. b Part of peridium from front view. c Squash mounts showing a large number of asci. d A clavate ascus with a long and thin pedicel. Scale bars: a= 0.5 mm, b=20 μm, c, d=50 μm 300 μm, 2-layered, outer layer composed of hyphoid cells, inner layer composed of compressed cells of textura angularis (Fig. 82b). Hamathecium of dense, filamentous, trabeculate pseudoparaphyses, 0.8–1.5 μm broad, branching and anastomosing between and above asci (Fig. 82e). Asci 175–250×25–35 μm (x ¼ 220 28mm, n=10), 8- spored, bitunicate, fissitunicate, cylindro-clavate, with a short, furcate pedicel, to 20 μm long (Fig. 82c and e). Ascospores 55–73×12.5–15 μm (x ¼ 63:3 13:1mm, n= 10), biseriate, broadly fusoid to fusoid, usually slightly curved, smooth, hyaline, mostly 5-septate, rarely up to 7- septate, smooth-walled, lacking a sheath. Anamorph: none reported. Material examined: BELIZE, Twin Cays, on attached dead tip of prop root of Rhizophora mangle, with shipworms, 3 Apr. 1983, leg. & det. J.K. Kohlmeyer (J. Kohlmeyer No. 4365a, holotype). Notes Morphology Quintaria was introduced to accommodate the marine fungus, Trematosphaeria lignatilis, based on its immersed ascomata with rounded bases, black incrustations surrounding the sides of the ostiolar canal as well as its hyaline ascospores (Kohlmeyer and Volkmann-Kohlmeyer 1991). Subsequently, three more species were introduced to this genus, viz. Q. aquatica K.D. Hyde & Goh, Q. microsporum Yin. Zhang, K.D. Hyde & J. Fourn. and Q. submerse K.D. Hyde & Goh, which are all from freshwater (Hyde and Goh 1999; Zhang et al. 2008b). Phylogenetic study Multigene phylogenetic study indicated that Quintaria lignatilis forms a separate sister clade to other families of <strong>Pleosporales</strong>, which may represent a new familial linage (Suetrong et al. 2009). This was supported by phylogenetic studies which place the freshwater Q. submersa separate from Q. lignatilis (Schoch et al. 2009;Suetrongetal.2009; Plate 1). Concluding remarks The freshwater members of Quintaria should likely be excluded from this genus, and only the generic type, Q. lignatilis retained, but this needs confirmation. Roussoëlla Sacc., in Saccardo & Paoletti, Atti Inst. Veneto Sci. lett., ed Arti, Sér. 3 6: 410 (1888). (Arthopyreniaceae (or Massariaceae))
Fungal Diversity Generic description Habitat terrestrial, saprobic. Ascomata medium-sized, clustered, immersed in host tissue, forming under darkened, slightly raised, somewhat liner or dome-shaped stroma on the host, with a flush intra-epidermal papilla; immersed under clypeus, papillate, ostiolate. Peridium thin, comprising several layers of compressed cells. Hamathecium of dense, long trabeculate pseudoparaphyses, embedded in mucilage, hyaline, anastomosing and septate. Asci 8-spored, bitunicate, cylindrical, with furcate pedicel, and a conspicuous ocular chamber. Ascospores uniseriate to partially overlapping, fusoid or ellipsoidal, brown, 1-septate, constricted at the septum. Anamorphs reported for genus: Cytoplea (Hyde et al. 1996a). Literature: Hyde et al. 1996a; Hyde 1997; Ju et al. 1996; Tanaka et al. 2009. Type species Roussoëlla nitidula Sacc. & Paol., Atti Ist. Veneto Sci., Ser. 6, 6:410. (1888). (Fig. 83) Ascomata 160–200 μm high×400–500 μm diam., clustered, immersed in host tissue, forming under darkened, slightly raised, somewhat liner or dome-shaped stroma on the host, with a flush intra-epidermal papilla; in vertical section subglobose with a flattened base, immersed under clypeus, subglobose with a flattened base, papillate, ostiolate (Fig. 83a). Peridium up to 20 μm thick, comprising several layers of compressed cells. Hamathecium of dense, long trabeculate pseudoparaphyses, 1–1.5 μm broad, embedded in mucilage, anastomosing and septate. Asci 123–220×7–11 μm,8-spored, bitunicate, cylindrical, with furcate pedicels, and a conspicuous ocular chamber (Fig. 83b, c and d). Ascospores 17.5– 22×5.5–8 μm, uniseriate to partially overlapping, fusoid or ellipsoidal, brown, 1-septate, constricted at the septum, ornamented with longitudinal wall striations and surrounded by a wide mucilaginous sheath (Fig. 83e, f, g and h). Anamorph: Cytoplea hysterioides K.D. Hyde (Hyde et al. 1996a). Material examined: MALAYSIA, Malacca, on culms of Bambusa Bar & Grill, 1885, B. Scortechini 15 (PAD, Roussoëlla nitidula Sacc. Paol. 2484, holotype, on a loose label Roussoëlla nitidula S. & P. Est Phyllachora phaeodidym./15 prob. original material from Malacca Peninsula). Notes Morphology Roussoëlla was introduced by Saccardo for the single species R. nitidula Sacc. & Paol. (Saccardo and Paoletti 1888). It was redescribed by Hyde et al. (1996a) and the anamorph of Roussoëlla hysterioides (Ces.) Höhn., Cytoplea hysterioides K.D. Hyde was determined and described. Roussoëlla was then reviewed by Hyde (1997) and a modified key for Roussoëlla species was provided based on the one proposed by Ju et al. (1996). Roussoëlla is characterized as having immersed ascomata containing long cylindrical asci and brown 1-septate ornamented ascospores. In this study, we have checked the type species and it matches Hyde et al. (1996a). The asci are bitunicate, but we could not observe the fissitunicate dehiscence. Phylogenetic study Species of Roussoëlla, Roussoellopsis as well as Arthopyrenia salicis form a robust phylogenetic clade, which form a sister group with pleosporalean families, but the generic type of Roussoëlla (R. nitidula) was not included in the phylogenetic study (Tanaka et al. 2009). Concluding remarks The bambusicolous habitat of Roussoëlla is a striking character at generic rank classification but its relationship to the lichenized Arthopyrenia is unexpected and will require more analysis. Saccharicola D. Hawksw. & O.E. Erikss., in Eriksson & Hawksworth, Mycologia 95: 431 (2003). (Massarinaceae) Generic description Habitat terrestrial, parasitic. Ascomata medium-sized, solitary, scattered, immersed, globose to subglobose, carbonaceous, papillate, ostiolate. Peridium relatively thin, composed of one cell type of pale brown to hyaline pseudoparenchymatous cells. Hamathecium of trabeculate pseudoparaphyses. Asci bitunicate, 8-spored, cylindro-clavate to clavate. Ascospores biseriate and sometimes laterally uniseriate, fusoid with narrowly rounded ends, septate, constricted at the septa, the upper second cell becoming pigmented when mature, smooth or verruculose. Anamorphs reported for genus: Stagonospora (Eriksson and Hawksworth 2003; Kaiser et al. 1979; Leuchtmann 1984). Literature: Eriksson and Hawksworth 2003. Type species Saccharicola bicolor (D.Hawksw.,W.J.Kaiser&Ndimande) D. Hawksw. & O.E. Erikss., Mycologia 95: 431 (2003). (Fig. 84) ≡ Leptosphaeria bicolor D. Hawksw., W.J. Kaiser & Ndimande, Mycologia 71: 483 (1979). Ascomata 125–175 μm high×175–220 μm diam., solitary, scattered, immersed, globose to subglobose, wall black, carbonaceous, with a protruding papilla, with a central ostiole (Fig. 84a). Peridium 15–20 μm thick
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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 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 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 Fig. 21 Chaetomast
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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 Fig. 46 Lewia scro
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Fungal Diversity Loculohypoxylon M.
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Fungal Diversity cells small heavil
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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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