Rhizodiscina lignyota

Macquarie, ACT

Rhizodiscina lignyota at Macquarie, ACT - 24 Jul 2016
Rhizodiscina lignyota at Macquarie, ACT - 24 Jul 2016
Rhizodiscina lignyota at Macquarie, ACT - 24 Jul 2016
Rhizodiscina lignyota at Macquarie, ACT - 24 Jul 2016
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Identification history

Rhizodiscina lignyota 5 Oct 2016 Heino

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1 comment

Heino wrote:
   6 Oct 2016
The fruit bodies appeared in a suburban garden on some well-rotted staves from an old wine barrel, so presumably on oak wood. Those staves had been left in a small heap for some years. In Photo 2 I have added a 5 mm scale bar and in Photo 3 are closer views of several fruit bodies. In Photo 4 I show some microscopic detail. I did not cut a precise cross-section of a fruit body but simply gently squashed a couple of tiny pieces under a cover slip to spread out the tissue. You see (1) some empty asci and one ascus with mature spores; (2) tissue in Melzer's solution (essential ingredient iodine), showing the amyloid (or bluing) reaction near the ascal apices; (3) some of the dark brown to blackish, polygonal cells that make up the outer layers of tissue on the lower side of the fruit body; (4) dark anchoring hyphae growing from the outer cells; (5) loose spores; (6) immature asci. The various photos in that composite image are to different scales. The spores are generally about 12 x 4 microns. See also the comments at: http://canberranaturemap.org/Community/Sightings/Details/3360813.

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Location information

Sighting information

Species information

  • Rhizodiscina lignyota Scientific name
  • Common name
  • Not Sensitive
  • Local native
  • Non-invasive or negligible
  • Machine learning
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