I understand of no other mushrooms that bruis blue exept boletes(easy to differentiate, they've pores, not gills). I have read anything about a lactarius (or some sort of milky) that exudes a bluish latex but that will be completely diferent than bruising. Stem The stem is off white, a little https://webdirectory777.com/listings12557460/details-fiction-and-microdosing-mushrooms-legal-in-uk