Parasola plicatilis in a Muddy Pond Bed
There are seasonal ponds which can be little more than a depression lined with squishy mud in dry weather. This was such a habitat, although this colony of inkcap mushrooms was close to the edge.
With caps 20mm or so across, this species was previously in [i]Coprinus[/i]. Its deeply-pleated cap is diagnostic.
The pond was in quite deep shade,giving strong side-lighting, from a shaft of sunlight, on the immature cap..
The stereos are crosseye.
Olympus EM-1, (aperture priority), Olympus 4/3 50mm f2 macro,1/10 at f9, 1/15 at f8, ISO 1000, hand-held.