Fons and Hans, these are nice as closeups of the fungus, but they appear to be the horribly toxic Amanita virosa a.k.a. destroying angel, if I'm not mistaken.
thanks Akira
BTW
Macrolepiota procera, the parasol mushroom, is a basidiomycete fungus with a large, prominent fruiting body resembling a parasol. It is a fairly common species on well-drained soils. It is found solitary or in groups and fairy rings in pastures and occasionally in woodland. Globally, it is widespread in temperate regions.
Very palatable mushroom Macrolepiota procera, the parasol mushroom, is a basidiomycete fungus with a large, prominent fruiting body resembling a parasol. It is a fairly common species on well-drained soils. It is found solitary or in groups and fairy rings in pastures and occasionally in woodland. Globally, it is widespread in temperate regions.
A very palatable mushroom as i have been informed.