Collocations for folklore - noun

popular
local
baseball, cricket, sporting, etc.

be part of
become part of, enter (esp. BrE), enter into (esp. BrE), pass into (esp. BrE)
The victory became part of sporting folklore.

have it that …
Local folklore has it that prehistoric men drove cattle over these cliffs.

according to folklore
According to popular folklore, anyone who owns such a picture will have bad luck.

in … folklore
a character in American folklore