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Tubakia sierrafriensis (CFNL 2944 – holotype). A. Affected oak tree (Q. eduardi). B. Symptoms (leaf spots) on leaves of Quercus eduardi. C. Leaf with leaf spot. D. Close-up of an epiphyllous leaf spot with pycnothyria. E. Close-up of a hypophyllous leaf spot with pycnothyria. F. Culture on MEA. Bars = 0.5 cm (C), 1 cm (D, E), 20 μm.
