]> NEBC barcode-00872455 United States of America Massachusetts Mystic River Watershed, Middlesex Fells Reservation, Cross Fells Trail west of Black Rock Path intersection, GPS 42°26.518’N, 71°4.668’W Nabalus trifoliolatus Cassini Cassini 2017-03-17 14:15:55 W. T. Kittredge