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

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Crous et al. have conidiomata ranging from acervuli to pycnidia (Cortinas et al. 2006). Phylogenetically this coelomycete morphology, with its characteristic conidiogenesis, has evolved several times in Teratosphaeriaceae. Readeriella blakelyi (Crous & Summerell) Crous & U. Braun, comb. nov. MycoBank MB504516. Basionym: Colletogloeopsis blakelyi Crous & Summerell, Fungal Diversity 23: 342. 2006. Readeriella brunneotingens Crous & Summerell, sp. nov. MycoBank MB504517. Fig. 19. Etymology: Named after the diffuse brown pigment visible in agar when cultivated on MEA. Readeriellae gauchensi similis, sed coloniis viridi-atris et pigmento brunneo in agaro diffundente distinguenda. Leaf spots amphigenous, irregular specks up to 3 mm diam, medium brown with a thin, raised, concolorous border. Conidiomata amphigenous, substomatal, exuding conidia in black masses; conidiomata pycnidial in vivo and in vitro, globose, brown to black, up to 120 µm diam; wall consisting of 3–4 cell layers of brown cells of textura angularis. Conidiogenous cells brown, verruculose, aseptate, doliiform to ampulliform, or reduced to inconspicuous loci on hyphae (in vitro), proliferating percurrently near the apex, 5–7 × 3–5 µm; sympodial proliferation also observed in culture. Conidia brown, smooth to finely verruculose, ellipsoidal to subcylindrical, apex obtuse to subobtuse, tapering to a subtruncate or truncate base (1–1.5 µm wide) with inconspicuous, minute marginal frill, (5–)6–7(–8) × 2–3(–3.5) µm in vitro, becoming 1-septate; in older cultures becoming swollen, and up to 2-septate, 15 µm long and 5 µm wide. Cultural characteristics: Colonies on MEA reaching 20 mm diam after 2 mo at 25 °C; colonies erumpent, aerial mycelium sparse to absent, margins smooth but irregularly lobate; surface irregularly folded, greenish black, with profuse sporulation, visible as oozing black conidial masses; a diffuse dark-brown pigment is also produced, resulting in inoculated MEA plates appearing darkbrown. Specimen examined: Australia, Queensland, Cairns, Eureka Creek, 48 km from Mareeba, S 17° 11’ 13.2”, E 145° 02’ 27.4”, 468 m, on leaves of Eucalyptus tereticornis, 26 Aug. 2006, P.W. Crous, CBS-H 19838 holotype, culture ex-type CPC 13303 = CBS 120747. Notes: Conidial dimensions of R. brunneotingens closely match those of Readeriella gauchensis (M.-N. Cortinas, Crous & M.J. Wingf.) Crous (Cortinas et al. 2006). The two species can be distinguished in culture, however, in that colonies of R. brunneotingens are greenish black in colour, sporulate profusely, and exude a diffuse, brown pigment into the agar, whereas colonies of R. gauchensis are more greenish olivaceous, and exude a yellow pigment into the agar (Cortinas et al. 2006). Readeriella considenianae (Crous & Summerell) Crous & U. Braun, comb. nov. MycoBank MB504518. Basionym: Colletogloeopsis considenianae Crous & Summerell, Fungal Diversity 23: 343. 2006. ≡ Phaeophleospora destructans (M.J. Wingf. & Crous) Crous, F.A. Ferreira & B. Sutton, S. African J. Bot. 63: 113. 1997. Readeriella dimorpha (Crous & Carnegie) Crous & U. Braun, comb. nov. MycoBank MB504520. Basionym: Colletogloeopsis dimorpha Crous & Carnegie, Fungal Diversity 23: 345. 2006. Readeriella gauchensis (M.-N. Cortinas, Crous & M.J. Wingf.) Crous & U. Braun, comb. nov. MycoBank MB504521. Basionym: Colletogloeopsis gauchensis M.-N. Cortinas, Crous & M.J. Wingf., Stud. Mycol. 55: 143. 2006. Readeriella pulcherrima (Gadgil & M. Dick) Crous & U. Braun, comb. nov. MycoBank MB504522. Basionym: Septoria pulcherrima Gadgil & M. Dick, New Zealand J. Bot. 21: 49. 1983. ≡ Stagonospora pulcherrima (Gadgil & M. Dick) H.J. Swart, Trans. Brit. Mycol. Soc. 90: 285. 1988. = Cercospora eucalypti Cooke & Massee, Grevillea 18: 7. 1889. ≡ Kirramyces eucalypti (Cooke & Massee) J. Walker, B. Sutton & Pascoe, Mycol. Res. 96: 920. 1992. ≡ Phaeophleospora eucalypti (Cooke & Massee) Crous, F.A. Ferreira & B. Sutton, S. African J. Bot. 63: 113. 1997. Notes: The epithet “eucalypti” is preoccupied by Readeriella eucalypti (Gonz. Frag.) Crous (Summerell et al., 2006), and thus the synonym “pulcherrima” becomes the next available name for this species. Readeriella readeriellophora, see Teratosphaeria readeriellophora. Fig. 18. Readeriella stellenboschiana (Crous) Crous & U. Braun, comb. nov. MycoBank MB504523. Basionym: Colletogloeopsis stellenboschiana Crous, Stud. Mycol. 55: 110. 2006. Readeriella zuluensis (M.J. Wingf., Crous & T.A. Cout.) Crous & U. Braun, comb. nov. MycoBank MB504524. Basionym: Coniothyrium zuluense M.J. Wingf., Crous & T.A. Cout., Mycopathologia 136: 142. 1997. ≡ Colletogloeopsis zuluensis (M.J. Wingf., Crous & T.A. Cout.) M.-N. Cortinas, M.J. Wingf. & Crous (zuluense), Mycol. Res. 110: 235. 2006. Staninwardia B. Sutton, Trans. Br. Mycol. Soc. 57: 540. 1971. Type species: Staninwardia breviuscula B. Sutton, Trans. Br. Mycol. Soc. 57: 540. 1971. Description: Sutton (1971; fig. 1). Notes: The genus Staninwardia presently contains two species, namely S. breviuscula and Staninwardia suttonii Crous & Summerell (Summerell et al. 2006), though its placement in Capnodiales was less well resolved. The genus forms acervuli on brown leaf spots, with brown, catenulate conidia covered in a mucilaginous sheath. Readeriella destructans (M.J. Wingf. & Crous) Crous & U. Braun, comb. nov. MycoBank MB504519. Basionym: Kirramyces destructans M.J. Wingf. & Crous, S. African J. Bot. 62: 325. 1996. 26
Phylogenetic lineages in the Capnodiales Fig. 18. A–E. Readeriella mirabilis. A. Conidium with conidial cirrus. B. Conidiogenous cells with percurrent proliferation. C. Macroconidia. D. Slightly pigmented, verruculose conidiogenous cell. E. Macro- and microconidia. F–I. Readeriella readeriellophora (type material). F. Colony on OA. G. Central stromatal tissue giving rise to conidiophores. H. Conidiogenous cells. I. Conidia. Scale bars = 10 µm. Fig. 19. Readeriella brunneotingens (type material). A. Leaf spot. B. Colony on MEA. C–D. Conidia. Scale bar = 10 µm. www.studiesinmycology.org 27
Page 1: Studies in Mycology 58 (2007) The g
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Page 7 and 8: CONTENTS P.W. Crous, U. Braun and J
Page 9 and 10: lectotype for the genus by Clements
Page 11: Schubert K (2005a). Morphotaxonomic
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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
Page 74 and 75: Arzanlou et al. 10 changes Athelia
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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. Cultural characteri
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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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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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