I want to forage for mushrooms as well, but like you said its a big step in learning which ones are safe or not.
Spores can tell you, also looking at them under a microscope helps to ID a mushroom strain. Very cool with the prints. I want to make some art out of them as well. They come in all different colors and patterns.
Best of luck on your field guide.
Thank you! So many great things to pursue on this old earth!