Foraging classes and herbs can be extremely regional based upon the varying climates across the world. Given this fact most classes that are offered do not span a large area, and are taught regionally.
If you know a class that are in the Oklahoma region please contact me with it’s information so I can add it to the list.
Oklahoma Wildcrafting – This website offers information on medicinal herbs as well as edible plants in the Oklahoma area. They offer classes periodically throughout the year.
Sigma 3 Survival School – This group offers many classes on many off grid and survival topics, but this class is for edible and medicinal plants.