Another link for information can be found at wild edible food dot com.
So how would a person consume these foods? An organized pantry with clearly written labels will help. Place on the labels what the food is similar to in the supermarket so when a recipe calls for something, the wild alternative can be used. Frozen versions turn out more like fresh versions. Syrup can be made and sweet foods can be added. Vinegars can be used to preserve as well.
I am still in the process of finding canning recipes for wild edible foods. Particularly, water bath canning and not particularly pressure cooking methods. I'll try to post on my blog when I have more information on the subject.
I am looking forward to making a dandelion syrup as we often eat pancakes and waffles in our home.