| Ceanothus | Ceanothus americanus L. | New Jersey tea | ME | NH | VT | MA | CT | RI |
| Ceanothus herbaceus Raf. | Jersey tea | ME | VT | MA | ||||
| Frangula | Frangula alnus P. Mill. | buckthorn | ME | NH | VT | MA | CT | RI |
| Rhamnus | Rhamnus alnifolia L'Her. | alderleaf buckthorn | ME | NH | VT | MA | CT | |
| Rhamnus cathartica L. | common buckthorn | ME | NH | VT | MA | CT | RI |
Last Update: 1/4/97
Name: Ray Phillips
Email: rbphilli@Colby.edu