cudweed "is called in Northumberland chafwede because it is thought to be good for chafyng of any man's fleshe wyth goynge or rydynge."
"The Old English Herbals"
Eleanour Sinclair Rohde
One species of cudweed was called "Live-for-ever."
"The Old English Herbals"
Eleanour Sinclair Rohde