It is not very common here.
There is a plant called Coltsfoot it is green and white under it is said if you take it and let it wither and then put it in a pipe & inhale the smoke it will cure "Bronkites".
"Penny Leaves" when squashed up and mixed in washing soda are said to be a great cure for ring-worms.
Rib-grass is said to be a good cure to stop a cut from bleeding.
Dandelion and nettles chopped up are good for turkeys when they are getting old.
The wild Blue Bells is said to be full of poison.
Black Berries are an old dye that was used ago for dying purple.
The rag-weed that grows in the field is a cure mixed with Lard for the murrian