A trailing,prickly hybrid between a blackberry and a dewberry(Rubus ursinus cv.Young)of the rose family,cultivated in the western United States.

• 扬氏杂交梅一种成串带刺的、介于蔷薇科黑莓和露莓之间的杂交品种(扬氏杂交梅栽培品种悬钩子属加州露莓)，在美国西部栽种