The members of NGA are very good at identifying plants from a photo or two and a bit of information - but please, please, please do not eat anything unless and until you have received a positive identification. Whatever you think about the world it is not worth the risk. There are many well-known edible plants that can sustain you while you check out the new and unknown plants you encounter.
Whenever you are able to get near the internet check out what Green Deane says about the various plants. His site is called "Eat the Weeds".
http://www.eattheweeds.com/
There are numerous sites listing edible wild foods; here is one example;
http://www.twineagles.org/surv...
