not all halucinagenic are psilocibe. for instance the fly agaric.
but back to the subject. the best way to get rid of your mushrooms is to completly change ALL of yor soil then clean the room floor to ceiling every square inch with a strong bleach solution. you will also need to clean lights, pots, eveything. or replace it all. thats the only way to be absolutly sure that you dont get reinfected. as far as where the spores came from to begin with, well you could have brung them in after walkin in the woods , the yard , the garden almost any where. also its a good idea to change cloths before goin into grow room you can bring any number of pest and bacteria or fungus in just on your cloths. you dont have to put on a hazmat suit just clean cloths. and take off your shoes i leave a pair of flip flps next to the door