With longer days bringing more sunlight, small growing things begin to appear.
Nettles, for instance, make a marvelous tea. They can be used as soup greens, and in baking the same way spinach is. C has a great method for harvesting these prickly little guys:
Take a jar and a pair of scissors with you on your gathering expedition. Clip the tender ends of the nettles directly into the jar. They are the most delectable part.
Hope to see you in the woods...