Macrolepiota clelandii

Macrolepiota clelandii at Hawker, ACT

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Identification history

	Macrolepiota clelandii	18 May 2022	Heino1
	Unidentified	18 May 2022	NathanaelC

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2 comments

NathanaelC wrote:

18 May 2022

Thanks for the ID, I know nothing about fungus; I would have said this was Pluteus lutescens

Heino1 wrote:

18 May 2022

Your side-on photo shows that there is a ring of tissue around the stem. That's a remnant of a partial veil (a membrane that covered the gills before the cap expanded). In Pluteus there is no veil. Your top-view photo shows a central area of solid colour and then some paler scales. This mushroom has been battered by rain. Earlier, when it was in prime condition, that scaliness would have continued to the edge, as in the top view of this sighting: https://canberra.naturemapr.org/sightings/4434806. There you see the scales in a very regular pattern. As the mushroom matures the cap expands. The cells within the cap expand but in this species those that make up the surface skin don't. Instead the skin breaks up. The expansion is uniform in all directions, so the skin breaks up in a very regular pattern. If you see such a regular pattern of brown(ish) scales over white underlying flesh and the gills are white, then you can assume you have something a Macrolepiota or Chlorophyllum (in the case of large mushrooms) and Lepiota or a related genus (in the case of small mushrooms).

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