The Magic mushrooms (which are a totally different mushroom and strain of fungi) - which contain Psilocybin - are in fact banned dried, prepared or cooked......If fresh - there isn't a problem. This was spelled out perfectly in the law from 2005 - but has obviously been misread or misunderstood by most people.
Hope that clears up all the rubbish posted here.
Nearly: if you read the 2005 SI properly you will see it bans mushrooms which contain psilocin (or any ester thereof, e.g. psilocybin) from the moment you pick them. So there's quite a big problem if they're fresh, unless you are defining "fresh" as "still growing".
M