Which Wellensittich breeds come in Grauflügel?

Club breed standards describe Grauflügel for the Wellensittich.

Wellensittich pattern

Grauflügel

Budgie mutation: gray wing markings instead of black, the body color diluted by about half.

2 Wellensittich breeds list Grauflügel. It is in a club standard for 2 breeds.

Breed	WBO	ABS	COM	BS UK
Wellensittich	Standardgemäss (“Greywing”)	Standardgemäss (“Greywing”)	Standardgemäss (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	Standardgemäss (“GREYWING”)
WellensittichGrauflügel	Standardgemäss (“Greywing”)	Standardgemäss (“Greywing”)	Standardgemäss (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	Standardgemäss (“GREYWING”)