Pleosporales - CBS - KNAW

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Fungal Diversity Concluding remarks The only morphological difference between M. velataspora and M. ramunculicola are their morphology of ascomata and size of ascospores (Hyde 1991b). But M. velataspora was reported staining the woody substrate (or agar in culture) purple (Hyde and Borse 1986; Hyde 1991b). Although this character could not be verified in the strain used by Suetrong et al. (2009), purple staining has been reported to have phylogenetic significance at familial rank in freshwater fungi (Zhang et al. 2009a). Murispora Yin. Zhang, C.L. Schoch, J. Fourn., Crous & K. D. Hyde, Stud. Mycol. 64: 95 (2009b). (Amniculicolaceae) Generic description Habitat freshwater, saprobic. Ascomata medium-sized, scattered to gregarious, immersed, lenticular, apex slightly protruding, opening through a small rounded pore, substrate stained purple. Peridium thin, composed of a few layers cells of textura angularis, thicker at the apex with pseudoparenchymatous cells. Hamathecium of narrowly cellular pseudoparaphyses, embedded in mucilage. Asci 8-spored, bitunicate, fissitunicate, biseriate, cylindroclavate with short pedicels. Ascospores curved- fusoid with narrowly rounded ends, golden yellow turning brown when senescent, multi-septate, constricted at the septa, with one, rarely two longitudinal septa in all cells except end cells, smooth or finely verruculose, surrounded by a wide mucilaginous sheath. Anamorphs reported for genus: Phoma (Webster 1957). Literature: Zhang et al. 2009a, b. Type species Murispora rubicunda (Niessl) Yin. Zhang, J. Fourn. & K. D. Hyde, Stud. Mycol. 64: 96 (2009a). (Fig. 64) ≡ Pleospora rubicunda Niessl, Notiz. Pyr.: 31 (1876). Ascomata 170–200 μm high×380–410 μm diam., scattered to gregarious, immersed, lenticular, apex laterally flattened, black, slightly protruding, opening through a small rounded pore, substrate stained purple (Fig. 64a). Peridium 15–18 μm thick at sides, composed of 3–4 layers cells of textura angularis, upto28–30 μm thick at the apex with very thick-walled cells, pseudoparenchymatous, nearly absent at the base (Fig. 64b). Hamathecium of narrowly cellular pseudoparaphyses, 1–1.7 μm broad, embedded in mucilage. Asci 124– 142×19–21 μm, 8-spored, bitunicate, fissitunicate, biseriate, cylindro-clavate with a small ocular chamber, with short pedicels (Fig. 64c). Ascospores 30–38×10– 12 μm, curved-fusoid with narrowly rounded ends, golden yellow turning brown when senescent, 7–9 transversally septate, constricted at the septa, with one, rarely two longitudinal septa in all cells except end cells which are often slightly paler, all cells filled with a large refractive guttule, smooth to finely verruculose, surrounded by a wide mucilaginous sheath (Fig. 64d). Anamorph: Phoma sp. (Webster 1957). Material examined: FRANCE, Haute Garonne, Avignonet, Lac de Rosel, 16 Jan. 2007, on submerged dead herbaceous stem (Dipsacus?), leg. Michel Delpont, det. Jacques Fournier (IFRD 2017). Notes Morphology Murispora was introduced based on Pleospora rubicunda which is characterized by immersed, erumpent or nearly superficial, globose to subglobose, elongated weakly papillate ascomata which stain the woody substrate purple, trabeculate pseudoparaphyses, 8-spored, bitunicate, fissitunicate, oblong to clavate asci, fusoid, pale or reddish brown, muriform ascospores (Zhang et al. 2009a). A phylogenetic study indicated that Murispora forms a robust clade with species of Amniculicola, and Amniculicolaceae was introduced to accommodate them (Zhang et al. 2009a). Phylogenetic study Murispora rubicunda forms a robust clade with species of Amniculicola and Neophaeosphaeria (Zhang et al. 2009a). Concluding remarks As has mentioned by Eriksson (1981, P. 135), the purplestaining species of Pleospora, treated by Webster (1957), should not belong to the Pleosporaceae. Both Pleospora straminis and P. rubelloides should be closely related to Murispora. Neomassariosphaeria Yin. Zhang, J. Fourn. & K.D. Hyde, Stud. Mycol. 64: 96 (2009a). (Amniculicolaceae) Generic description Habitat freshwater, saprobic. Ascomata medium-sized, scattered or in small groups, immersed, with a slightly protruding elongated papilla, ostiolate, lenticular, stain the substrate purple. Peridium thin. Hamathecium of dense, long cellular pseudoparaphyses, septate. Asci 8-spored, bitunicate, fissitunicate, cylindro-clavate, with short furcate pedicels. Ascospores 2-3-seriate, narrowly fusoid, somewhat curved, reddish brown, multi-septate, slightly constricted at the primary septum. Anamorphs reported for genus: none. Literature: Leuchtmann 1984; Zhang et al. 2009a, b.
Fungal Diversity Fig. 64 Murispora rubicunda (from IFRD 2017). a Habitat section of the immersed ascomata. b Section of an ascoma. Note the thin peridium and cells of textura angularis. c Mature and immature asci. d Muriform ascospores. Scale bars: a, b= 100 μm, c, d=20 μm Type species Neomassariosphaeria typhicola (P. Karst.) Yin. Zhang, J. Fourn. & K.D. Hyde, Stud. Mycol. 64: 96 (2009a). (Fig. 65) ≡ Leptosphaeria typhicola P. Karst., Bidr. Känn. Finl. Nat. Folk 23: 100 (1873). Ascomata 150–280 μm high×200–400 μm diam., scattered or in small groups, immersed, lenticular, with a slightly protruding elongated papilla, ostiolate, stain the substrate purple (Fig. 65a). Peridium 15–30 μm thick. Hamathecium of dense, long cellular pseudoparaphyses, 1.5–2.5 μm thick, septate. Asci 110–160×13–15 μm, 8- spored, bitunicate, fissitunicate, cylindro-clavate, with short furcate pedicels (Fig. 65b, c and d). Ascospores 30–48×7– 11 μm, 2-3-seriate, narrowly fusoid, somewhat curved, reddish brown, 7-septate, slightly constricted at the primary septum, verruculose (Fig. 65c and d). Anamorph: none reported. Material examined: DENMARK, Sjaeland, Frederikskilde, Suserup Skove, Tystrup Lake, 25 May 2007, on submerged culm of Phragmites, leg. & det. Jacques Fournier (IFRD 2018). Notes Morphology Neomassariosphaeria is most comparable with Murispora, and is distinguished from Murispora by its phragmosporous ascospores. Both genera were assigned to Amniculicolaceae (Zhang et al. 2009a). Phylogenetic study Both Neomassariosphaeria grandispora and N. typhicola clustered with species of Murispora and Amniculicola in Amniculicolaceae (Zhang et al. 2009a,c). Concluding remarks Similar with those purple-staining species of Pleospora assigned to Murispora, the purple-staining species of Phaeosphaeria mentioned by Crivelli (1983) and Leuchtmann (1984) might be assigned to Neomassariosphaeria. Neophaeosphaeria M.P.S. Câmara, M.E. Palm & A.W. Ramaley, Mycol. Res. 107: 519 (2003). (Leptosphaeriaceae)
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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 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. 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 Fig. 100 Sporormie
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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 1987b). Based on a
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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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