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Rosellinia victoriae Syd. & P. Syd. 1908

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Rosellinia victoriae Syd. & P. Syd., Ann. Mycol. 6 483 (1908)
Rosellinia victoriae Syd. & P. Syd. 1908

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Indigenous, non-endemic
Present
New Zealand
Political Region

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Syd. & P. Syd.
Syd. & P. Syd.
1908
483
ICN
Rosellinia victoriae Syd. & P. Syd. 1908
Australia
species
Rosellinia victoriae

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victoriae

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Rosellinia victoriae Syd. & P. Syd. 1908

ADDITIONAL SPECIMEN EXAMINED: NEW ZEALAND: NORTH ISLAND: COROMANDEL: Oamaru Bay, on Metrosideros robusta, 8 Aug 1963, S. J. Hughes, PDD 21817, anamorph on host.
Subiculum evanescent, white to cream, felty. Stromata (500)525 ± 35(575) µm high, (550)585 ± 22(600) µm wide (n = 5), conical, semiglobose to globose with broadly rounded top, black, crowded. Ostioles finely papillate or not differentiated. Ectostroma 50 µm thick, black. Entostroma not seen. Perithecia remaining attached to the stroma. Ascus apical ring 2.8-3.8 µm high, upper width 2.4- 2.8 µm, lower width 1.9-2.8 µm (n = 5), J+, blue. Ascospores (11.5)12.9 ± 0.8(14.4) mm long, (5.3)5.7 ± 0.3(6.7) µm wide (n = 30), inequilaterally ellipsoidal, dark brown, with straight germ slit extending the whole spore length, occasionally one extremity with a 1 x 1 µm large, semiglobose, cellular appendage. Conidia 5-6 x 3 µm.
ANAMORPH: Geniculosporium.
HOST: Metrosideros robusta.
MATRIX: Decorticated, heavily decomposed wood.
NOTES: Rosellinia victoriae is characterised by a white to cream, evanescent subiculum, by small, almost globose stromata with poorly developed ostioles, and dark brown ascospores bearing a cellular appendage that is visible at maturity. Examination of the type material from S revealed no differences between the two specimens. Therefore, the name R. victoriae can be applied also to the New Zealand collection.
Rosellinia victoriae differs from R. rhopalostilicola by the stroma shape, poorly expressed ostioles, ascospores with a cellular appendage and larger conidia.
HOLOTYPUS: Australia, Victoria, County of Follett, on inner part of bark of tree, 16 Jun 1907, F. M. Reader, S*.

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Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd. (1908)
Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd. (1908)
Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd.
Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd. (1908)
Rosellinia victoriae Syd. & P. Syd. 1908
Rosellinia victoriae Syd. & P. Syd. (1908)

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Rosellinia victoriae Syd. & P. Syd. 1908
New Zealand
Coromandel

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5d1ee15e-1993-11d6-8aee-dfd06341b942
scientific name
Names_Fungi
4 February 2002
23 June 2014
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