ACT NSW ACT Government :: Queanbeyan-Palerang Regional Council :: Australian Native Plants Society (ANPS) Canberra Region :: Gearys Gap/Wamboin Landcare Group
Home Fungi Clubs or stalks (maybe a forked or broader apex) Clubs/stalks on soil Geoglossum

Geoglossum

Earth tongue

 

The fruit bodies of Geoglossum are black stalks that grow on soil (occasionally on rotten wood). The stalks have a fleshy to rubbery consistency and are broader in the upper part. The broadening may be gradual or sudden, may be long or short in relation to the whole fruit body length and may be only a little wider than the lower part of the fruit body or considerably wider. Identification to species relies on microscopic features.

 

Look-alikes

 

The fruit bodies of  Trichoglossum and Thuemenidium resemble those of Geoglossum. Those of Geoglossum are smooth whereas those of Trichoglossum have an abundance of short, dark bristles and in this photo (http://www.cpbr.gov.au/fungi/images-captions/trichoglossum-walteri-0225.html) you see the bristly surface of a Trichoglossum fruit body. Thuemenidium fruit bodies are smooth but differ from Geoglossum in that the mature spores are colourless whereas those of Geoglossum are black. Thus far a single species, Thuemenidium berteroi, has been recorded from Australia, growing on dead wood in Tasmania.

 

The fruit bodies of  some species of Xylaria are black stalks, but they grow on wood (sometimes from roots), are more brittle and have white interiors (whereas the other genera listed above have fruit bodies with dark interiors).

 

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Geoglossum (Earth tongue) at Aranda, ACT - 27 Aug 2021 by MattFox Geoglossum (Earth tongue) at Nanima, NSW - 7 Aug 2021 by 81mv Geoglossum (Earth tongue) at Aranda, ACT - 5 Aug 2021 by CathB Geoglossum (Earth tongue) at Paddys River, ACT - 30 Jul 2021 by RobG1 Geoglossum (Earth tongue) at Paddys River, ACT - 22 Jul 2021 by RobG1 Geoglossum (Earth tongue) at Aranda, ACT - 24 Sep 2016 by CathB
Geoglossum (Earth tongue) at Aranda, ACT - 27 Aug 2021 by MattFox
Geoglossum (Earth tongue) at Nanima, NSW - 7 Aug 2021 by 81mv
Geoglossum (Earth tongue) at Aranda, ACT - 5 Aug 2021 by CathB
Geoglossum (Earth tongue) at Paddys River, ACT - 30 Jul 2021 by RobG1
Geoglossum (Earth tongue) at Paddys River, ACT - 22 Jul 2021 by RobG1
Geoglossum (Earth tongue) at Aranda, ACT - 24 Sep 2016 by CathB

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Species information

  • Geoglossum Scientific name
  • Earth tongue Common name
  • Not Sensitive
  • Local Native
  • Non-Invasive
  • 0m to 971m Recorded at altitude

Location information

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