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Hypocrea sulphurea group

Cotter River, ACT

Hypocrea sulphurea group at Cotter River, ACT - 24 Sep 2016
Hypocrea sulphurea group at Cotter River, ACT - 24 Sep 2016
Hypocrea sulphurea group at Cotter River, ACT - 24 Sep 2016
Hypocrea sulphurea group at Cotter River, ACT - 24 Sep 2016
Hypocrea sulphurea group at Cotter River, ACT - 24 Sep 2016
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Identification history

Hypocrea sulphurea group 6 Oct 2016 Heino
Hypocrea sulphurea group 6 Oct 2016 Heino
Hypocrea sp. 2 Oct 2016 KenT

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User's notes

Growing on the side of a dead branch in a very moist area. A small sample was place on a slide for microscopic examination to reveal asci with 16 spores per ascus

3 comments

Heino wrote:
   5 Oct 2016
Were the spores colourless or green?
KenT wrote:
   5 Oct 2016
Individual spores in a water mount @500x magnification under bright field illumination appeared to have a green tinge. I had assumed it was an artifact of the preparation and the illumination.
Heino wrote:
   6 Oct 2016
I look at Hypocrea sulphurea (or a relative) as highly plausible (but I could be wrong) and you can read a long note if you go to the 'Hypocrea sulphurea group' species page. Hypocrea citrina (and its relatives) are also yellow and are the subject of this paper: B.E. Overton et al (2006). Systematics of Hypocrea citrina and related taxa, Studies in Mycology, 56, 1-38. However, a read of that paper suggests that a vivid yellow Hypocrea, at least seemingly on wood, is not in that group. You'd be right about the greenish tinge being an artefact, since the green I'm thinking of is obvious (and such species were once placed in the genus Creopus).

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Location information

Sighting information

Species information

  • Hypocrea sulphurea group Scientific name
  • Common name
  • Not Sensitive
  • Local native
  • Non-invasive or negligible
  • Machine learning
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