Malus floribunda has resistance to the apple scab and founded the program to introduce this "VF gene" into cultivated apples. Their work had been progressing with great success. This crabapple species is considered as one of the best crabapples for form and flower and has gained the Royal Horticultural Society's Award of Garden Merit. Malus floribunda Malus floribunda, common name Japanese flowering crabapple, Japanese crab, purple chokeberry, or showy crabapple, originates from Japan and East Asia. It may be a wild species, or a hybrid of "M. sieboldii" x "M. baccata". "Malus floribunda" forms a round-headed, small deciduous tree with narrow leaves
Malus fusca tough, resilient wood, used for making implements, and for its bark, used for a wide range of medicinal purposes. Malus fusca Malus fusca, with the common names Oregon crabapple and Pacific crabapple, is a North American species of crabapple. It is native to western North America from Alaska, through British Columbia, to northwestern California. It grows in temperate coniferous forest, primarily in the Cascade Range and the Pacific Coast Ranges. "Malus fusca" is a deciduous tree up to tall. Leaves are up to 10 cm (4 inches) long. Flowers are white or pale pink, blooming in Spring. The fruits are