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Marssonina betulae (Lib.) Magnus 1906

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Marssonina betulae (Lib.) Magnus, Hedwigia 45 90 (1906)
Marssonina betulae (Lib.) Magnus 1906

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Exotic
Present
New Zealand
Political Region

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(Lib.) Magnus
Lib.
Magnus
1906
90
ICN
species
Marssonina betulae

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Marssonina betulae (Lib.) Magnus 1906

Type: Foliicolous Fungi; Description: Conidiomata acervular, scattered, subcuticular, dark brown; on irregular, dark greyish black leaf spots without a definite margin on both sides of leaves. Conidia cylindric-clavate to ellipsoid, 1-septate, 13–22 × 4–8 μm, smooth, hyaline.
Distribution: Waikato, Bay of Plenty, Taupo, Rangitikei, Wellington, Gisborne, Nelson, Dunedin, Southland.; 1st Record: Laundon (1973).
Significance: There is a large variation in susceptibility of Betula pendula to M. betulae; some trees are unaffected whereas others show considerable dieback resulting from repeated premature defoliation.; Host(s): Betula pendula.

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Gloeosporium betulae (Lib.) J. Kickx f. (1867)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)
Marssonina betulae (Lib.) Magnus 1906
Marssonina betulae (Lib.) Magnus (1906)

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Marssonina betulae (Lib.) Magnus 1906
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1cb1910f-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
21 January 1998
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