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Unverified Teresa 18 Nov 2024

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Maybe Hypoxylon sp on the cut face of a log

7 comments

   19 Nov 2024
With that mulberry look - another possibility is a species of Bertia. I've seen the genus once , a collection sent from coastal northern NSW.
   19 Nov 2024
Thanks Heino, it appears regularly but its one I usually ignore, and I've not heard of 'Wood Mulberry' before.
   19 Nov 2024
If you are able to collect some and look at the spores you'd see if Bertia is likely. Hypoxylon spores are black (or very dark brown) when mature and are not septate. Bertia spores are colourless, have at least one septum , have rounded ends and may be kinked. Of course, life's not always simple and I have read of some relatives (e.g. a Lasiobertia in which the spore ends are pointed). AVH shows only two herbarium collections of Bertia. So, if it's Bertia (or a relative) a herbarium collection would be worthwhile.
   21 Nov 2024
Many thanks for that info, hopefully I can collect on our next visit and bring it to you in the future
   24 Nov 2024
Collected
   27 Nov 2024
Bodies have a black crusty, pimply thin outer peridium, the interior flesh is solid white. Spores, banana shaped, 25 - 30µm x 25µm, black.
   18 Feb 2025
Kretzschmaria species has been identified by Heino at the CRBG

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Sighting information

  • 16 - 100 Abundance
  • Teresa Recorded by

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