That is the normal method of testing for consumption when you don't know the plants. It is a good method. What I am trying to do is learn to recognize and identify the types of plants that are useful for many different things (cordage, medicines, foods, etc.). Where I am week is in the general knowledge of what plants are useful for what and how to find them. I am also trying to learn what types, or families, of plants are found in what regions where I travel so I can learn what to expect to be able to find. Then I will be learning how to process and prepare them for use. It is a bit of a long term thing, but I was cursed with the curiosity of a 5 year old and feel that a day I don't learn something is a day wasted. Thanks for the site!