26 October 2013 Hampshire. Photograph copyright Leif Goodwin.
Cup shaped, split down one side, inner surface smooth, dark brown, outer surface paler, to about 7 cm across
Late summer to autumn
According to the literature this species is rare. However, in my experience it is rather common, more so than the similar Peziza badia
In woods, and unimproved grassland
Spores ellipsoidal, 2 oil drops (13-15) x (6.5-7) µm2
Bufonia means 'toad-like'. This species could be confused with Peziza badia.
14 October 2005 Oxfordshire. Photograph copyright Leif Goodwin.
October 2001 Surrey. Photograph copyright Leif Goodwin.
Spores viewed with a x100 immersion microscrope objective and x2.5 projection eyepiece. 26 October 2013 Hampshire. Photograph copyright Leif Goodwin.