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Pseudocercospora crousii U. Braun & M.A. Dick 2002

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Pseudocercospora crousii U. Braun & M.A. Dick, New Zealand J. Forest. Sci. 32 224 (2002)
Pseudocercospora crousii U. Braun & M.A. Dick 2002

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Exotic
Present
New Zealand
Political Region

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U. Braun & M.A. Dick
U. Braun & M.A. Dick
2002
224
ICN
Pseudocercospora crousii U. Braun & M.A. Dick 2002
NZ holotype
species
Pseudocercospora crousii
on Eucalyptus regnans F.Muell (Myrtaceae), New Zealand, Whakarewarewa Forest (BP), 18 Sep. 2001, M.Dick (NZFRI-M 4550).

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Pseudocercospora crousii U. Braun & M.A. Dick 2002

Type: Foliicolous Fungi; Description: Mycelium: primary internal, secondary external. Hyphae of primary mycelium olivaceous brown, aggregating to form stromata; hyphae of secondary mycelium superficial, subhyaline to pale olivaceous, smooth, septate, 1–5 μm wide. Stromata substomatal, 10–30 μm in diameter. Conidiophores in small to moderately large, loose to moderately dense fascicles when arising from stromata or solitary when arising from external hyphae, straight, pale olivaceous, smooth, 0–many-septate, 5–100 × 3–6 μm; conidiogenous cells with inconspicuous scars. Conidia obclavate, 4–10-septate, 35–115 × 3–5 μm, smooth, subhyaline to olivaceous brown. Leaf spots brown to reddish brown, greyish brown to greyish white when old, subcircular to angular irregular, with a brown to purplish violet margin, 1–15 mm in diameter, sometimes confluent, on both sides of leaves.
Distribution: Auckland, Waikato, Bay of Plenty, Taupo, Wanganui, Nelson.; 1st Record: Braun & Dick (2002).
Significance: Recorded as the cause of severe leaf necrosis in Eucalyptus regnans in the North Island (M.Dick, New Zealand Forest Research Institute, pers. comm.).; Host(s): Eucalyptus delegatensis, E. dendromorpha, E. fastigata, E. muelleriana, E. obliqua, E. oreades, E. pilularis, E. regnans, E. regnans × obliqua, E. stenostoma.

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Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick (2002)
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick (2002)
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick (2002)
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M.A. Dick
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick 2002
Pseudocercospora crousii U. Braun & M.A. Dick 2002
Pseudocercospora crousii U. Braun & M. Dick (2002)

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Pseudocercospora crousii U. Braun & M.A. Dick 2002
[Not available]

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typification
on Eucalyptus regnans F.Muell (Myrtaceae), New Zealand, Whakarewarewa Forest (BP), 18 Sep. 2001, M.Dick (NZFRI-M 4550).

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ddac248e-10bd-41f8-aa54-51c736fe66f8
scientific name
Names_Fungi
20 June 2003
16 May 2023
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