Angela, not at all!  If you just stick to gathering the various kinds of boletes --- the mushrooms with the "spongy" undersides of the cap (with innumerable very tiny holes), instead of many parallel gills like the majority of mushrooms --- you will be safe, as there is only one kind of bolete in Alaska that would make you sick (not kill you), and it has reddish-orange pores and is only found in coastal rain forests anyway.  

Some common ones  are king boletes, the various scaberstalks in the genus (*Leccinum*), and one delicious but little-known (in the guide books anyway) bolete with a tan cap and bright yellow underside and stalk, (*Boletus subglabripes*), that might be the best of them for drying.  Drying boletes is a great way to use them, as it concentrates and even magnifies their flavor greatly.