TRUNCATUM-TYPE OSTIOLAR DISCS

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Jack
Yu-Ming Ju
Michael J. Adams
Truncatum-type disc formation differs from bovei-type disc formation in having the outermost layer of stroma around ostioles is flaked off gradually from the ostiole outwards. truncatumdisc.JPG (19631 bytes)
A: Hypoxylon truncatum.  B: H. annulatum.