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Crous, P.W.; Wingfield, M.J.; Cheewangkoon, R.; Carnegie, A.J.; Burgess, T.I.; Summerell, B.A.; Edwards, J.; Taylor, P.W.J.; Groenewald, J.Z. 2019: Foliar pathogens of eucalypts. Studies in Mycology 94: 125-298.

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Crous, P.W.; Wingfield, M.J.; Cheewangkoon, R.; Carnegie, A.J.; Burgess, T.I.; Summerell, B.A.; Edwards, J.; Taylor, P.W.J.; Groenewald, J.Z. 2019: Foliar pathogens of eucalypts. Studies in Mycology 94: 125-298.
10.1016/j.simyco.2019.08.001
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Notes: Species of Nothotrimmatostroma are less commonly observed than those of Neotrimmatostroma, and appear to be of minor importance. Morphologically there is no obvious difference between these two genera, and they are best separated based on their DNA phylogeny
Notes: The nomenclature and taxonomy of the fungus previously known as “Aulographina eucalypti” is confused. The sexual morph was discussed by Müller & von Arx (1962), and the spermatogonial morph by Petrak & Sydow (1924) and Swart (1988). This pathogen, which causes target spot disease on eucalypts, has had several names applied to it in the past. For many years it was treated as Aulographina eucalypti (Cooke & Massee) Arx & E. Müll. However, the genus Aulographina is based on A. pinorum occurring on Pinus spp. in Europe. It is not congeneric with the eucalypt fungus, as it lacks the typical spermatogonial and asexual morphs observed on Eucalyptus. Furthermore, the cultures that are available (CBS 174.90, 302.71, 655.86) cluster with Catenulostroma (Teratosphaeriaceae) and Venturiaceae (in the case of CBS 655.86). Müller & von Arx (1962) considered why the name Aulographina was best suited (over Aulographum, Leptostromella and Lembosiopsis), but they ignored the asexual names. Given the fact that Aulographia is no longer available for this fungus, the holomorph is best treated under the name introduced for the spermatogonial morph, Thyrinula eucalyptina, as this species is also the type of the genus Thyrinula (Petrak & Sydow 1924). For more details relating to its biology and host range, see Wall & Keane (1984) and Carnegie & Keane (2003). Isolates established from single ascospores (on PDA and OA) produce both the spermatogonial and ascomatal morphs in older cultures.

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dba82568-0885-4666-874d-eecf20753fad
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11 September 2019
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