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Culture morphology. A–H. Ophiognomonia rosae CBS 121263. I–Q. O. sassafras CBS 121243. A–F, I–N. Colony habit, 40 d, 23 °C. A, C, E, I, K, M. Surface. B, D, F, J, L, N. Reverse. G, O, P. Perithecia. H, Q. Asci. G, H. 40 d, 23 °C. O–Q. 4.5 mo, 2/10 °C. A, B, I, J, P. PDA. C, D, G, H, K, L, Q. MEA. E, F, M, O. MYA. Scale: A–F, I–N. 1 cm. G, O. 500 μm. P. 200 μm. H, Q. 10 μm.
