It is not clear whether there is an independent grape variety with this name. It could also be a homonym for several different varieties. In the VIVC catalogue there is a separate variety Malvasia Bianca originating from Italy, but no parentage (parenthood) is given. Synonyms grouped alphabetically by country are Früher Weißer Malvasier, Mährer(Germany); Malvasia Bastarda, Malvasia Puntinata, Invarella, Iuvarella, Lavarella, Lavarella Verdana, Uva Greca and Verdana(Italy); Alicante Espagnol du Dão(Portugal); Malvazija Bela(Slovenia); Malvasia de la Rioja(Spain); Sarga Malvazia(Hungary).
The picture is taken from the Italian website below, which also features a separate variety called Malvasia Bianca. The regions Calabria and Sicily are indicated as growing areas. The DOC/DOCG zones listed here are similar to those of the Malvasia Bianca di Candia variety.
Pictures: M.I.P.A.A.F - National Vine Certification Service