| Family: | Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info) |
| Genus: | Hydrangea (hy-DRAIN-juh) (Info) |
| Species: | quercifolia (kwer-se-FOH-lee-uh) (Info) |
| Cultivar: | Snow Queen |
| Additional cultivar information: | (PP4458, aka Flemygea, Flemigea) |
| Hybridized | by Flemer |
| Registered or introduced: | 1978 |