Is this a crust or bracket type fungi

[NellyDee]

I presumed that these are on an old fallen tree and possibly where branches once were. I am trying to work out what has caused this formation of patterned circles round a raised middle. There were a number of patches like this in Sutherland’s Grove, Barcaldine. Any ideas?

[attachment=0]IMG_1771.JPG[/attachment]

[Chris Yeates]

I think you’re correct; these are just branch scars like http://thehappyscientist.com/files/DailySciencePhoto/Science-Photo-712.jpg” class=”bbcode_url”>http://thehappyscientist.com/files/DailySciencePhoto/Science-Photo-712.jpg – though it’s unusual to see so may concentrated over a small area.

best

Chris

[NellyDee]

Thanks Chris. They do look a bit like the photo. There were lots of patches of these around the forest floor but I could see no sign of the original tree trunk – no raised ground or even dips where the original tree would have fallen. The domed raised centres within the circles also puzzled me as I would have expected it to be flat and sunken.

As I bye the bye the only fungi I found was Hygrophoropsis aurantiaca of which there were lots.

Cheers

Nelly

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