Articles by Bill Bakaitis
Morels from Apple Orchards
(lead, arsenic etc.)
and blog posts on Leslie Land's site:
http://leslieland.com/blog/category/tips-for-gardeners/foraging/
http://leslieland.com/blog/collecting-wild-mushrooms-part-1-morels/
http://leslieland.com/blog/collecting-wild-mushrooms-part-2-chanterelles/
http://leslieland.com/blog/the-mushrooms-of-autumn-hen-of-the-woods/
http://leslieland.com/blog/the-mushrooms-of-autumn-porcini/
http://leslieland.com/blog/the-mushrooms-of-autumn-blewits/
http://leslieland.com/blog/mushrooms-of-autumn-the-complex-honey/
http://leslieland.com/blog/wild-mushrooms-of-mid-fall-wine-caps-shaggy-manes-and-more/
There are several related blog posts by Leslie on related recipes and such.