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

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<strong>Cladosporium</strong> herbarum species complex<br />

Fig. 22. <strong>Cladosporium</strong> macrocarpum (<strong>CBS</strong> 299.67). Macro- <strong>and</strong> micronematous conidiophores <strong>and</strong> conidia. Scale bar = 10 µm. K. Schubert del.<br />

Substrates <strong>and</strong> distribution: Leaf spot <strong>and</strong> blotch of Iris spp.<br />

including I. crocea, I. florentina, I. foetidissima, I. germanica, I.<br />

gueldenstaedtiana, I. kamaonensis, I. pallida, I. plicata (= I. swertii<br />

Hort.), I. pseudacorus, I. pumila, I. spuria ssp. halophila, <strong>and</strong> other<br />

species, also on Belacam<strong>and</strong>a chinensis (= Gemmingia chinensis),<br />

Hemerocallis fulva, Gladiolus g<strong>and</strong>avensis; Africa (Algeria,<br />

Morocco, South Africa, Zambia, Zimbabwe), Asia (Armenia,<br />

Azerbaijan, China, Georgia, India, Iran, Israel, Japan, Kazakhstan,<br />

Kirgizstan, Korea, Russia, Turkey, Turkmenistan, Uzbekistan),<br />

Australasia (Australia, New Zeal<strong>and</strong>), Europe (Austria, Belgium,<br />

Belorussia, Cyprus, Czech Republic, Denmark, Estonia, France,<br />

Germany, Great Britain, Greece, Italy, Latvia, Lithuania, Malta,<br />

Moldavia, Montenegro, Netherl<strong>and</strong>s, Norway, Pol<strong>and</strong>, Romania,<br />

Russia, Serbia, Spain, Sweden, Ukraine), North America (Canada,<br />

U.S.A.), Central & South America (Argentina, Chile, Jamaica,<br />

Panama, Uruguay).<br />

Literature: Ellis (1971: 312), Ellis & Waller (1974), Sivanesan (1984:<br />

222), McKemy & Morgan-Jones (1990), David (1997: 43), Shin et<br />

al. (1999).<br />

Notes: <strong>The</strong> description of the morphological parameters in culture<br />

is based on the isolate sporulating on PDA, since sporulation on<br />

SNA was not observed. <strong>The</strong> conidiophores <strong>and</strong> conidia in vivo are<br />

usually wider than in culture [conidiophores (6–)9–15(–17) µm<br />

wide, conidia (11–)15–23(–28) µm].<br />

www.studiesinmycology.org<br />

<strong>Cladosporium</strong> macrocarpum Preuss, in Sturm, Deutsch. Fl.<br />

3(26): 27. 1848. Figs 22–25.<br />

≡ <strong>Cladosporium</strong> herbarum var. macrocarpum (Preuss) M.H.M. Ho &<br />

Dugan, in Ho et al., Mycotaxon 72: 131. 1999.<br />

= Dematium herbarum var. (β) brassicae Pers., Syn. meth. fung. 2: 699. 1801,<br />

syn. nov.<br />

= Dematium graminum Pers., Mycol. eur. 1: 16. 1822, syn. nov.<br />

= Dematium vulgare var. (δ) typharum Pers., Mycol. eur. 1: 14. 1822, syn.<br />

nov.<br />

= Dematium vulgare var. (β) foliorum Pers., Mycol. eur. 1: 14. 1822, syn. nov.<br />

For additional synonyms see Dugan et al. (2004), Schubert<br />

(2005).<br />

Teleomorph: Davidiella macrocarpa Crous, K. Schub. & U. Braun,<br />

sp. nov. MycoBank MB504582.<br />

Davidiellae tassianae similis, sed pseudoparaphysibus prominentibus et ascosporis<br />

maioribus, (22–)23–26(–28) × (6–)6.5–7(–8) µm.<br />

Ascomata superficial on a small stroma, black, up to 200 µm<br />

diam, globose, separate, but developing with 1–3 necks with age;<br />

ostioles consisting of pale brown to subhyaline cells, periphysate,<br />

with periphysoids growing into the cavity; wall consisting of 3–6<br />

layers of medium brown textura angularis. Pseudoparaphyses<br />

present, hyaline, subcylindrical, septate, anastomosing, 3–4<br />

µm diam; hamathecial cells persistent in cavity. Asci fasciculate,<br />

bitunicate, subsessile, broadly ellipsoid with a long tapered stalk,<br />

straight to curved, 8-spored, 70–110 × 15–20 µm. Ascospores<br />

tri- to multiseriate, overlapping, hyaline, guttulate, irregular lumina<br />

129

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