1. 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