]> NEBC barcode-02618260 United States of America New Hampshire Along New Hampshire route 63 (Northfield Road) south of center of town. Between highway and parking area for access to Ashuelot and Fort Hill Rail Trail Apocynum ×floribundum Greene Greene 2023-09-22 10:53:12 D. E. Boufford M-J Joo, K-J Kim