Purslane and comfrey have proven effective choices. In modern herbalism, comfrey is most commonly used topically. The preferred food of the larvae is the herb Comfrey ("Symphytum officinale"). Northern wild comfrey is a small, perennial herbaceous plant growing up to tall. Common names include rough comfrey and prickly comfrey. Other English names include Quaker comfrey, cultivated comfrey, boneset, knitbone, consound, and slippery-root. Cynoglossum virginianum, also known as the wild comfrey, is a plant native to North America. Comfrey is an example of a plant species that contains fourteen different PAs. Symphytum tuberosum, the tuberous comfrey, is a species of "Symphytum" in the family Boraginaceae. "Cynoglossum virginianum", known as wild comfrey, is a common plant from New York to Florida. Comfrey is a city in Brown and Cottonwood counties in the U.S. state of Minnesota. Mound Creek park is located a few miles outside Comfrey. The Jeffers Petroglyphs Historic Site is located near Comfrey. Taylor was born in Springfield, Minnesota, and grew up on a farm in Comfrey, Minnesota.