United States of America, Rhode Island, Providence County, Providence, Providence County
Brown University campus, in between greenhouse and Waterman Street; 41° 49' 37.7 N, 71° 24' 5.5 E; weedy area; assocs.: Vinca minor, Taraxacum, Oxalis stricta, Plantago major, Rumex, Agrostis capillaris; one large plant with prostrate branches, in fruit; DNA voucher: AM20