Dominant White 11 (W11) is found in South German Draft horses and may result in a completely white coat.

Dominant White 13 (W13) is found in Quarter Horse / American White Horse and may result in a completely white coat. This variant was originally described in a Quarter Horse / Peruvian Paso cross, and was assumed to have originated from the Quarter Horse side. However, we have observed W13 in the offspring of an American White Horse without known Quarter Horse ancestry.

Dominant White 14 (W14) is found in Thoroughbreds and may result in an extensive to full white coat.

Dominant White 15 (W15) is found in Arabian horses and may result in either a partially or a completely white coat color.

Dominant White 16 (W16) is found in Oldenberger horses and may result in a sabino-like to mostly white coat.

Dominant White 17 (W17) is found in Japanese Draft horses and may result in a completely white coat with one blue eye.

Dominant White 18 (W18) is found in Swiss Warmblood horses and may result in a coat with extensive speckling.