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

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Crous et al. Fig. 22. Fusicladium fagi (CBS 621.84). A. Conidiophore with truncate conidiogenous loci. B. Hypha with conidiogenous loci. C–G. Conidial chains. Scale bars = 10 µm. Fusicladium caruanianum Sacc., Ann. Mycol. 11: 20. 1913. ≡ Pseudocladosporium caruanianum (Sacc.) U. Braun, Schlechtendalia 9: 114. 2003. Fusicladium convolvularum Ondřej, Česká Mycol. 25: 171. 1971. Fig. 21. In vivo: Schubert et al. (2003: 37). In vitro on SNA: Mycelium unbranched or only sparingly branched, 2–3 µm wide, septate, not constricted at septa, subhyaline to pale brown, smooth, walls unthickened or almost so. Conidiophores laterally arising from hyphae, erect, straight to somewhat flexuous, sometimes geniculate, unbranched, (6–)12–75 × (2.5–)3–4.5 µm, aseptate or septate, pale brown or pale medium brown, smooth, walls somewhat thickened, sometimes only as short lateral conical prolongations of hyphae, occasionally irregular in shape. Conidiogenous cells integrated, terminal or conidiophores reduced to conidiogenous cells, sometimes geniculate, 6–29 µm long, proliferation sympodial, with several denticle-like loci, broadly truncate, 1.5–2(–2.5) µm wide, unthickened, somewhat refractive or darkened. Ramoconidia occurring, 20–28 × 5 µm, 0–1-septate, somewhat darker, pale medium brown, with a broadly truncate base, 3–4 µm wide, usually with several denticle-like apical loci. Conidia catenate, formed in unbranched or loosely branched chains, straight to sometimes curved, cells sometimes irregularly swollen, fusiform, subcylindrical, sometimes obpyriform, 13–35 × 3.5–5.5(–6) µm, 0–3-septate, occasionally slightly constricted at the median septum, few very large conidia with up to five septa, up to 75 µm long, 4.5–6 µm wide, subhyaline to pale brown, smooth, walls slightly thickened, slightly attenuated towards apex and base, hila broadly truncate, 1–2 µm wide, unthickened or only slightly thickened, somewhat darkened-refractive; microcyclic conidiogenesis occurring, conidia often germinating. Cultural characteristics: Colonies on PDA spreading, somewhat erumpent, with moderate aerial mycelium and regular, but feathery margins; surface fuscous black, and reverse dark fuscous black. Colonies reaching 15 mm diam after 1 mo on PDA at 25 °C in the dark. Specimens examined: Czech Republic, Libina, okraj pole pod nadrazim (okr. Sumperk), on Convolvulus arvensis (Convolvulaceae), 7 Sep. 1970, Ondřej, holotype BRA. New Zealand, on leaves of Convolvulus arvensis, 7 Nov. 2000, C.F. Hill, epitype designated here CBS H-19911, culture ex-epitype CBS 112706 = CPC 3884 = IMI 383037. Note: Conidiophores are somewhat longer and narrower in vitro than in vivo, and ramoconidia occur (Schubert & Braun 2002b, Schubert et al. 2003). 208
Herpotrichiellaceae and Venturiaceae Fig. 23. Fusicladium intermedium (CBS 110746). A–G. Conidiophores with sympodial conidiogenous loci. H. Conidia. Scale bar = 10 µm. Fusicladium fagi Crous & de Hoog, sp. nov. MycoBank MB504537. Fig. 22. Etymology: Named after its host, Fagus sylvatica. Fusicladio brevicatenato similis, sed conidiis secundis minoribus, (8–)11–17(–20) × 3–3.5 µm, locis conidiogenis et hilis angustioribus, 1–1.5 µm latis. Mycelium consisting of pale to medium brown, smooth to finely verruculose, branched, 2–3 µm wide hyphae. Conidiophores integrated, terminal on hyphae, 0–1-septate, mostly reduced to conidiogenous cells, also lateral, visible as small, protruding, denticle-like loci, 10–15 × 2–3.5 µm. Conidiogenous cells subcylindrical, 5–15 × 2–3.5 µm, pale to medium brown, smooth to finely verruculose, tapering to 1–3 apical loci, 1–1.5 µm wide; scars inconspicuous. Conidia pale brown, smooth, guttulate, subcylindrical to narrowly ellipsoid, occurring in simple or branched chains, 0–1(–2)-septate, tapering towards subtruncate ends, 1.5– 2.5 µm wide, aseptate conidia (8–)11–17(–20) × 3–3.5 µm, septate conidia up to 40 µm long and 4 µm wide; hila inconspicuous, i.e. neither thickened nor darkened-refractive; microcyclic conidiation common in older cultures. Cultural characteristics: Colonies erumpent, spreading, with abundant aerial mycelium on PDA, and feathery to smooth margins; isabelline to patches of fuscous-black due to the absence of aerial mycelium, which collapses with age (surface); reverse fuscousblack. Colonies reaching 50 mm diam after 1 mo at 25 °C in the dark; colonies fertile. Specimen examined: Netherlands, Baarn, Maarschalksbosch, decaying leaves of Fagus sylvatica (Fagaceae), 1 Oct. 1984, G.S. de Hoog, holotype CBS H-10366, culture ex-type CBS 621.84 = ATCC 200937. Notes: Isolate CBS 621.84 was until recently preserved at the CBS as representative of Cladosporium nigrellum Ellis & Everh., a species known from bark of Robinia sp. in the U.S.A. Morphologically it is, however, quite distinct in having somewhat larger, and more subcylindrical to ellipsoid conidia. Conidia of C. nigrellum are fusiform to limoniform, 0–3-septate, 5–15 × 4–7 µm (Ellis 1976), possessing the typical cladosporioid scars with a central convex dome and a periclinal rim which characterise it as a true member of the genus Cladosporium Link, which has been confirmed by a re-examination of type material of C. nigrellum (on inner bark of railroad ties, U.S.A., West Virginia, Fayette Co., Nuttallburg, 20 Oct. 1893, L.A. Nuttall, Flora of Fayette County No. 172, NY; also Ellis & Everh., N. Amer. Fungi 3086 and Fungi Columb. 382, BPI, NY, PH). Fusicladium intermedium (Crous & W.B. Kendr.) Crous, comb. nov. Mycobank MB504538. Fig. 23. Basionym: Anungitopsis intermedia Crous & W.B. Kendr. S. Afr. J. Bot. 63: 286. 1997. Specimens examined: South Africa, Mpumalanga, from leaf litter of Eucalyptus sp. (Myrtaceae), Oct. 1992, M.J. Wingfield, PREM 51438 holotype. Madagascar, Tamatave, Eucalyptus leaf litter, Apr. 1994, P.W. Crous, CBS H-19918, epitype designated here, culture ex-epitype CPC 778 = IMI 362702 = CBS 110746. Note: Conidiophores are dimorphic in culture, being macronematous, anungitopsis-like, and micronematous, more pseudocladosporiumlike. Fusicladium matsushimae (U. Braun & C.F. Hill) Crous, U. Braun & K. Schub., comb. nov. Mycobank MB504539. Basionym: Pseudocladosporium matsushimae U. Braun & C.F. Hill, Australas. Pl. Pathol. 33: 492. 2004. www.studiesinmycology.org 209
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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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available online at www.studiesinmy
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Cladosporium herbarum species compl
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Page 170 and 171: Cladosporium sphaerospermum species
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Page 200 and 201: Crous et al. Table 1. Isolates used
Page 202 and 203: Crous et al. Table 1. (Continued).
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Page 212 and 213: Crous et al. Fig. 15. Exophiala sp.
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Page 216 and 217: Crous et al. Fig. 19. Fusicladium a
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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
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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