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

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Arzanlou et al. Fig. 26. Veronaea compacta (CBS 268.75). A–B. Semi-micronematous conidiophores and sympodially proliferating conidiogenous cells. C–D. Rachis with hardly prominent denticles. E. Conidia. Scale bar = 10 µm. Fig. 27. Veronaea japonica (CBS 776.83). A. Intercalary conidiogenous cells. B–D. Semi-micronematous conidiophores and sympodially proliferating conidiogenous cells. E. Conidia. F. Thick-walled, dark brown hyphal cells. Scale bar = 10 µm. Veronaea japonica Arzanlou, W. Gams & Crous, sp. nov. MycoBank MB504557. Figs 17B, 27. Etymology: Named after the country of origin, Japan. Veronaeae compactae similis, sed cellulis inflatis, aggregatis, crassitunicatis, fuscis in vitro formatis distinguenda. In vitro: Submerged hyphae subhyaline, smooth, thin-walled, 1.5–3 µm wide; aerial hyphae slightly narrower, pale brown; hyphal cells later becoming swollen, thick-walled, dark brown, often aggregated. Conidiophores slightly differentiated from aerial vegetative hyphae, lateral, or terminal, often wider than the supporting hypha, 2–3 µm wide, up to 65 µm long, unbranched or occasionally branched, 82
Ramichloridium and allied genera Fig. 28. Pleurothecium obovoideum (CBS 209.95). A–C. Conidial apparatus consisting of conidiophores with sympodially proliferating conidiogenous cells as seen in slide cultures of ca. 14 d. D. Short chain of conidia. E–G. Sympodially proliferating conidiogenous cells, resulting in a short rachis with subcylindrical to cylindrical denticles. H. Conidia. Scale bar = 10 µm. pale brown, thin-walled, smooth, with 1–3 additional septa. Conidiogenous cells terminal, occasionally intercalary, variable in length, up to 15 µm long, pale brown, cylindrical to clavate, with hardly prominent denticles; scars flat, slightly pigmented, not thickened, about 0.5 µm diam. Conidia solitary, pale brown, smooth, thin-walled, ellipsoidal to ovoid, (0–)1-septate, often constricted at the septum, (6–)7–8(–10) × 2–2.5(–4) µm, with a round apex and truncate base; hilum unthickened but slightly darkened, about 1 µm diam. Cultural characteristics: Colonies rather slow growing, reaching 7.5 mm diam on MEA after 14 d at 24 °C; surface velvety to lanose, slightly raised in the centre, olivaceous-brown, with entire margin; reverse dark-olivaceous. Specimen examined: Japan, Kyoto, Daitokuji Temple, Kyoto, inside dead bamboo culm, Dec. 1983, W. Gams, holotype CBS-H 3490, ex-type culture CBS 776.83. Note: This species is morphologically similar to V. compacta (Papendorf 1976), but can be distinguished based on the presence of dark brown, swollen hyphal cells in culture, which are absent in V. compacta. Pleurothecium obovoideum clade (Chaetosphaeriales) Ramichloridium obovoideum was regarded as similar to “Ramichloridium” (Rhinocladiella) mackenziei by some authors, and subsequently reduced to synonymy (Ur-Rahman et al. 1988). However, R. obovoideum clusters with Carpoligna pleurothecii, the teleomorph of Pleurothecium Höhn. Because it is also morphologically similar to other species of Pleurothecium, we herewith combine it into that genus. Pleurothecium obovoideum (Matsush.) Arzanlou & Crous, comb. nov. MycoBank MB504558. Fig. 28. Basionym: Rhinocladiella obovoidea Matsush., Icones Microfung. Mats. lect.: 123. 1975. ≡ Ramichloridium obovoideum (Matsush.) de Hoog, Stud. Mycol. 15: 73. 1977. In vitro: Submerged hyphae smooth, hyaline, thin-walled, 1–2 µm wide; aerial hyphae hyaline to subhyaline, smooth. Conidiophores arising vertically from creeping hyphae, ascending hyphae thickwalled and dark brown; conidiophores 10–35 µm long, 1–2-septate, often reduced to a conidiogenous cell, unbranched, thick-walled, smooth, tapering towards the apex, pale brown. Conidiogenous cells integrated, cylindrical to ampulliform, 5–20 µm long, pale brown, elongating sympodially, with a short rachis giving rise to denticles, 1 µm long, slightly pigmented. Conidia aseptate, solitary or in short chains of up to 3, smooth, pale brown, ellipsoidal to obovate, (9–)11–12(–14.5) × (3–)4(–5) µm, smooth, thin-walled, with a more or less rounded apex, a truncate base and a slightly darkened, unthickened hilum, 1.5 µm diam. www.studiesinmycology.org 83
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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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Page 70 and 71: Arzanlou et al. To date 26 species
Page 72 and 73: Arzanlou et al. Table 1. (Continued
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Page 108 and 109: Dichocladosporium gen. nov. 10 chan
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Cladosporium herbarum species compl
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available online at www.studiesinmy
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Cladosporium sphaerospermum species
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Crous et al. The aim of the present
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Crous et al. 10 changes Athelia epi
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Crous et al. Table 1. Isolates used
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Crous et al. Table 1. (Continued).
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Crous et al. 0.1 expected changes p
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Crous et al. Fig. 6. Cladophialopho
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Crous et al. Fig. 11. Cladophialoph
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Crous et al. Fig. 13. Cladophialoph
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Crous et al. Fig. 15. Exophiala sp.
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Crous et al. Fig. 18. Cylindrosympo
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Crous et al. Fig. 19. Fusicladium a
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Crous et al. Fig. 22. Fusicladium f
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Crous et al. Fig. 24. Fusicladium p
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Crous et al. Fusicladium rhodense C
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Crous et al. Excluded taxa Polyscyt
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Crous et al. the conidial tips are
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Cladophialophora carrionii complex
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Hormoconis resinae and morphologica
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Fig. 6 Hormoconis resinae and morph
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Cladophialophora, 52 k , 54 k -55,
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Fusicladium phillyreae, 189 c , 191
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Ramichloridium epichloës, 60, 89 P
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Trimmatostroma salicis, 3 t , 5, 6
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The genus Cladosporium and similar dematiaceous ... - CBS - KNAW

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