The mushroom Spore prints are made on sterile foil which is stored in sterile ziplock bag and kept under refrigerated conditions. Each spore print has a tiny scratch of spores removed from the print. With this swab a test run on agar or liquid culture is made to check the conditions of the spores. Only spores that germinate are released as a print.
Store Spore Spore print refrigerated between 2*C-8*C Celsius or 35*F-46*F Fahrenheit. A mushroom Spore print can be stored for years.