Nothotrimmatostroma bifarium (Gadgil & M.A. Dick) Crous, in Crous, Wingfield, Cheewangkoon, Carnegie, Burgess, Summerell, Edwards, Taylor, Groenewald, Stud. Mycol. 94: 207 (2019)
MycoBank number: MB 832034; Index Fungorum Number: IF 832034, Facesoffungi number: FoF 11391 ; Fig. 64.
Basionym: Trimmatostroma bifarium Gadgil & M.A. Dick, New Zealand J. Bot. 21: 49. 1983.
Synonym: Neotrimmatostroma bifarium (Gadgil & M.A. Dick) Quaedvl. & Crous, Persoonia 33: 27. 2014.
Diagnosis: Conidia formed in two basipetal chains, brown, consisting of two parallel, laterally fused rows, with a common thick-ened, transverse base and obtuse apices, 12–24 × 6–14 μm, 6–10-celled when mature (with 3–5 cells per row).
Descriptions and illustrations: Gadgil & Dick (1983), Park et al.(2000).
Description based on CPC 32833: Leaf spots corky, medium brown, irregular, 2– 10 mm diam. Sporodochia hypophyllous, dark brown, in concentric clusters, 150 – 220 μm diam. Co- nidiophores micronematous, branched, septate, medium brown, smooth, densely aggregated, up to 50 μm tall, 3– 4 μm diam. Conidiogenous cells holothallic, integrated, terminal, doliiform to subcylindrical, 9– 11 × 3– 4 μm. Conidia in branched chains, smooth, medium brown, 2– 7-celled, consisting of two parallel rows unequal in length, fused at common thickened base, apices obtuse, (15–)17 – 20(– 22) × (8 –)9(– 10) m, 5– 6-celled in vivo, (13 –)15– 19(– 25) × (7 –)8 – 9(– 10) μm, (2 –)5 – 6(– 7)-celled in vitro.
Culture characteristics: Colonies erumpent, spreading, with sparse aerial mycelium and even, lobate margins, reaching 5 mm diam after 2 wk at 25 °C. On MEA, PDA and OA surface olivaceous grey, reverse iron-grey.
Typus: Australia, New South Wales, Merimbula, on E. dalrympleana, 28 Nov. 2016, P.W. Crous, HPC 1815 (epitype designated here CBS H-24032, MBT388158, culture ex-epitype CBS 143488 = CPC 32833). New Zealand, Kinleith, on E. regnans, Sep. 1981, D.J. Rawcliffe (holotype NZFRI 5, isotype PDD 42845).
![Picture64](https://www.facesoffungi.org/wp-content/uploads/2022/05/Picture64-1.jpg)
Fig. 64. Nothotrimmatostroma bifarium (CPC 32833). A. Leaf spot with conidiomata. B– F. Conidiogenous cells giving rise to conidia. G. Conidia. Scale bars = 10 μm.