The genus Cladosporium and similar dematiaceous ... - CBS - KNAW

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Crous et al. Fig. 24. Fusicladium pini (CBS 463.82). A–F. Conidiogenous cells with conidiogenous loci. G. Conidia. Scale bars = 10 µm. Fusicladium mandshuricum (M. Morelet) Ritschel & U. Braun, Schlechtendalia 9: 62. 2003. Basionym: Pollaccia mandshurica M. Morelet, Ann. Soc. Sci. Nat. Archéol. Toulon Var 45(3): 218. 1993. = Pollaccia sinensis W.P. Wu & B. Sutton, in herb. (IMI). Teleomorph: Venturia mandshurica M. Morelet, Ann. Soc. Sci. Nat. Archéol. Toulon Var 45(3): 219. 1993. In vivo: Schubert et al. (2003: 62). In vitro on OA: Mycelium loosely branched, filiform to narrowly cylindrical-oblong, 1–4 µm wide, later somewhat wider, up to 7 µm, septate, sometimes slightly constricted at the septa, sometimes irregular in outline due to small swellings, subhyaline to pale brown, smooth, walls unthickened, sometimes aggregating, forming compact conglomerations of slightly swollen hyphal cells. Conidiophores usually reduced to conidiogenous cells, arising terminally or laterally from hyphae, subcylindrical to cylindrical, unbranched, 9–20 × (2.5–)4–5(–6) µm, aseptate, very rarely 1- septate, very pale brown, smooth, walls unthickened, monoblastic, unilocal, determinate, later occasionally becoming percurrent, enteroblastically proliferating, forming a few (up to five) annellations, loci broadly truncate, (2–)3–5 µm wide, unthickened, not darkened. Conidia solitary, straight to curved, fusiform to obclavate, distinctly apiculate, 24–45(–57) × (6–)7–9(–10.5) µm, (1–)2–4(–5)-septate, more or less constricted at septa, sometimes up to 85 µm long with up to 7 septa, septa often somewhat darkened, second cell often bulging, pale medium to medium olivaceous-brown or brown, smooth, walls somewhat thickened, somewhat attenuated towards the base, hilum broadly truncate, (2–)3–5 µm wide, unthickened, not darkened; microcyclic conidiogenesis not observed. Cultural characteristics: Colonies on OA iron-grey to olivaceousgrey due to aerial mycelium and sporulation (surface); reverse iron-grey to black, somewhat velvety; margin glabrous, olivaceous; aerial mycelium sparsely formed, loose, diffuse; sporulating. Specimens examined: China, Liaoning, on Populus simonii × P. nigra, 17 Jun. 1992, M. Morelet, holotype PC (PFN 1466); P. simonii, 20 Apr. 1993, epitype designated here CBS H-19912, culture ex-epitype CBS 112235 = CPC 3639 = MPFN 307. Note: Conidiophores are densely fasciculate in vivo, forming sporodochial conidiomata, cylindrical to ampulliform, 5–7 × 6–7.5 µm (Schubert et al. 2003). Fusicladium pini Crous & de Hoog, sp. nov. MycoBank MB504540. Fig. 24. Etymology: Named after its host, Pinus. Fusicladio africano similis, sed conidiis minoribus, (6–)10–12(–17) × 1.5–2(–2.5) µm, locis conidiogenis et hilis angustioribus, 0.5–1 µm latis. Mycelium consisting of smooth, medium brown, branched, 1.5–2 µm wide hyphae, giving rise to solitary, micronematous conidiophores. Conidiophores reduced to conidiogenous cells, medium to dark brown, erect, thick-walled, smooth, subcylindrical, widest at the base, tapering to a subtruncate apex, 5–15 × 2–3 µm; scars flat-tipped, somewhat darkened and thickened, one to several in the apical region, somewhat protruding, 0.5–1 µm wide. Conidia in branched or unbranched chains of up to 15, medium brown, smooth, subcylindrical, 0–1-septate, widest in the middle, tapering to subtruncate ends, straight to slightly curved, (6–)10– 12(–17) × 1.5–2(–2.5) µm; hila somewhat darkened and thickened, not refractive, 0.5–1 µm wide. Cultural characteristics: Colonies erumpent, with sparse aerial mycelium and smooth margins on PDA, greyish sepia (surface); reverse fuscous-black; on OA patches of greyish sepia and fuscousblack (surface); on SNA umber (surface). Colonies reaching 15 mm diam on PDA after 1 mo at 25 °C in the dark; colonies fertile. 210
Herpotrichiellaceae and Venturiaceae Fig. 25. Fusicladium ramoconidii (CBS 462.82). A. Colony on OA. B. Hyphal coil. C–F. Conidiophores reduced to conidiogenous cells. G–H. Conidiophores. I. Conidia. Scale bars = 10 µm. Specimen examined: Netherlands, Baarn, De Vuursche, needle of Pinus sylvestris (Pinaceae), 12 Apr. 1982, G.S. de Hoog, holotype CBS H-1610, culture ex-type CBS 463.82. Notes: This fungus was originally maintained in the CBS collection as Anungitea uniseptata Matsush. In culture, however, only a pseudocladosporium-like state was observed. Conidiophores are reduced to conidiogenous cells, and have several apical loci as in Fusicladium, but are not subdenticulate; scars are somewhat darkened and thickened, not refractive. Conidia of F. africanum are (8–)11–17(–20) × 2–3(–3.5) µm, thus similar, but somewhat larger than the mean conidial size range (10–12 × 1.5–2 µm) observed in F. pini. The conidiogenous loci and conidial hila of F. africanum are also somewhat larger. Although the LSU sequence of F. pini is identical to that of F. ramoconidii, the ITS sequence similarity is 97 % (572/585 nucleotides). Fusicladium ramoconidii Crous & de Hoog, sp. nov. MycoBank MB504541. Figs 25–26. Etymology: Named after the presence of its characteristic ramoconidia. Fusicladio brevicatenato similis, sed ramoconidiis minoribus, (12–)15–17(–20) × 2(–3) µm, locis conidiogenis et hilis minoribus, 0.5–1 µm diam. Mycelium consisting of branched, septate, 1.5–2 µm wide hyphae, pale brown, smooth, frequently with hyphal coils. Conidiophores integrated into hyphae, and reduced to small, lateral protruding conidiogenous cells, concolorous with hyphae, or macronematous, dark brown, erect, thick-walled, 10–40 × 3–4 µm, 0–3-septate. Conidiogenous cells terminal, integrated, subcylindrical, tapering to a rounded apex, concolorous with hyphae (as hyphal pegs), or dark www.studiesinmycology.org 211
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Studies in Mycology 58 (2007) The g
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Studies in Mycology The Studies in
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CONTENTS P.W. Crous, U. Braun and J
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lectotype for the genus by Clements
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Schubert K (2005a). Morphotaxonomic
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Crous et al. Table 1. Isolates for
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Crous et al. Table 1. (Continued).
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Crous et al. 100 10 changes 65 100
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Crous et al. Treatment of phylogene
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Crous et al. Teratosphaeria bellula
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Crous et al. 6. Conidiophores short
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Crous et al. Habit plant pathogenic
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Crous et al. Fig. 7. Catenulostroma
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Crous et al. system, consisting of
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Crous et al. Fig. 9. Penidiella col
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Crous et al. Fig. 12. Penidiella ri
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Crous et al. conidiophores, about 1
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Crous et al. have conidiomata rangi
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Crous et al. Schizothyriaceae clade
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Crous et al. Fig. 21. Stigmidium sc
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Crous et al. Gams W, Verkley GJM, C
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Crous et al. Table 1. Isolates for
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Crous et al. 100 61 100 52 100 10 c
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Crous et al. Fig. 3. Rachicladospor
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Crous et al. Fig. 4. Toxicocladospo
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Crous et al. Fig. 5. Verrucocladosp
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Crous et al. Fig. 7. Stenella aragu
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Crous et al. Helotiales, incertae s
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Crous et al. Fig. 10. Ochrocladospo
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Crous et al. Fig. 12. Rhizocladospo
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Crous et al. 7. Conidiophores unbra
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Crous et al. 33. Terminal conidioge
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Crous et al. Crous PW, Kang JC, Bra
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Arzanlou et al. To date 26 species
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Arzanlou et al. Table 1. (Continued
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Arzanlou et al. 10 changes Athelia
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Arzanlou et al. Athelia epiphylla A
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Arzanlou et al. Fig. 3. Periconiell
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Arzanlou et al. Cultural characteri
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Arzanlou et al. Fig. 10. A. Ramichl
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Arzanlou et al. Ramichloridium musa
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Arzanlou et al. Fig. 20. Rhinocladi
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Arzanlou et al. Fig. 22. Rhinocladi
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Arzanlou et al. Rhinocladiella mack
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Arzanlou et al. Fig. 26. Veronaea c
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Arzanlou et al. Fig. 30. Myrmecridi
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Arzanlou et al. Fig. 32. Radulidium
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Arzanlou et al. Fig. 34. Rhodoveron
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Arzanlou et al. even further, thoug
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available online at www.studiesinmy
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Dichocladosporium gen. nov. 10 chan
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Dichocladosporium gen. nov. Fig. 3.
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Dichocladosporium gen. nov. to intr
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Dichocladosporium gen. nov. Czechos
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Cladosporium herbarum species compl
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Page 170 and 171: Cladosporium sphaerospermum species
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Page 222 and 223: Crous et al. Fusicladium rhodense C
Page 224 and 225: Crous et al. Excluded taxa Polyscyt
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Page 230 and 231: Cladophialophora carrionii complex
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Page 246 and 247: Hormoconis resinae and morphologica
Page 252 and 253: Fig. 6 Hormoconis resinae and morph
Page 256 and 257: Cladophialophora, 52 k , 54 k -55,
Page 258 and 259: Fusicladium phillyreae, 189 c , 191
Page 260 and 261: Ramichloridium epichloës, 60, 89 P
Page 262: Trimmatostroma salicis, 3 t , 5, 6
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The genus Cladosporium and similar dematiaceous ... - CBS - KNAW

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