]> NEBC barcode-00578461 United States of America Massachusetts Lexington, west side of Rock Meadow, between Concord Ave. and State Road (Rte 2.) [The area between Concord Ave. and Rt. 2 is not part of Rock Meadow, which is entirely in Waltham] Rhamnus cathartica Linnaeus Linnaeus 2020-01-13 10:17:41 R. J. Eaton