Harvesting charts are a great resource to have so you know what is ready to be harvested, and what part of the plant is to be used. Foragers and herbalists alike can plan their trips into the wild to collect what they need when the time is just right.
There is a food crisis in Canada's far north and far too many people are going to bed hungry every night. Perhaps the only possible solution may be having people of the north return to some of their traditional ways.
"By failing to prepare, you are preparing to fail." Ben Franklin was a very wise man and his words have resonated through the decades among those who are prepared. No one can know when a crisis will hit but when it does, being prepared will lessen the impact.
When researching wild edibles it is mission critical to always use resources that use botanical names. There are far too many errors out there so you should always double if not triple check your sources to be on the safe side.