Which Andulka breeds come in Sivokrídla?

Club breed standards describe Sivokrídla for the Andulka.

Andulka pattern

Sivokrídla

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

2 Andulka breeds list Sivokrídla. It is in a club standard for 2 breeds.

Breed	WBO	ABS	COM	BS UK
Andulka	Podľa štandardu (“Greywing”)	Podľa štandardu (“Greywing”)	Podľa štandardu (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	Podľa štandardu (“GREYWING”)
AndulkaSivokrídla	Podľa štandardu (“Greywing”)	Podľa štandardu (“Greywing”)	Podľa štandardu (“All Greywings of the Green series; All Greywings of the Blue series (inc. Yellowfaces)”)	Podľa štandardu (“GREYWING”)