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January 1998. Photograph copyright Leif Goodwin
Urn shaped, inner surface smooth, white then yellow-brown, outer surface white, then yellow-brown, scurfy, to about 10cm across
Pale brown, thick, brittle
On manure, rotting straw, and rich soil
Spores ellipsoidal, smooth (20-24) x (11-15)µm2. Asci (320-380) x (18-25)µm2. Asci tips blued in iodine. Paraphyses equal, septate, slightly swollen at tips.
Poisonous unless well cooked
Most Peziza species cannot be identified without microscopy. This species is often confused with P. repanda which can also grow on rotted manure. It is distinguished macroscopically by the urn shaped fruiting bodies, and the thick flesh
2 May 2008 Bedfordshire. Photograph copyright Leif Goodwin