Missouri Conservation Department – Also includes field guides for trees, mushrooms, and wildlife. Local plants identified with pictures and descriptions. Poisonous, edible, and endangered plants clearly labeled.
Mountain Rose Herbs – Good selection, mostly organics. Each item is labeled with medical uses, some folklore, and precautions if used internally or on skin.
AzureGreen – Supplier with a magical focus. Items are labeled with folklore and magical uses. NOTE: poisonous herbs are not labeled as such, please cross-reference!
Prairie Wise School – Longstanding Kansas resource for learning herbal medicine and lore. Focused on local plants. They offer workshops, nature walks, and a three-year program in herbalism.