| Alnus | Alnus glutinosa (L.) Gaertn. | European alder | ME | VT | MA | CT | ||
| Alnus incana (L.) Moench ssp. rugosa (Du Roi) Clausen | speckled alder | ME | NH | VT | MA | CT | RI | |
| Alnus serrulata (Ait.) Willd. | hazel alder | ME | NH | VT | MA | CT | RI | |
| Alnus viridis (Vill.) Lam. & DC. ssp. crispa (Ait.) Turrill | American green alder | ME | NH | VT | MA | |||
| Betula | Betula alleghaniensis Britt. | yellow birch | ME | NH | VT | MA | CT | RI |
| Betula borealis Spach | northern birch | ME | VT | MA | ||||
| Betula lenta L. | sweet birch | ME | NH | VT | MA | CT | RI | |
| Betula nana L. | bog birch | ME | NH | VT | ||||
| Betula nigra L. | river birch | ME | NH | VT | MA | CT | ||
| Betula papyrifera Marsh. | paper birch | ME | NH | VT | MA | CT | RI | |
| Betula papyrifera var. cordifolia (Regel) Fern. | mountain paper birch | ME | NH | VT | ||||
| Betula pendula Roth | European white birch | ME | VT | MA | ||||
| Betula populifolia Marsh. | gray birch | ME | NH | VT | MA | CT | RI | |
| Betula pubescens Ehrh. ssp. pubescens | downy birch | ME | VT | MA | ||||
| Betula pumila L. | swamp birch | ME | VT | MA | CT | |||
| Betula X caerulea Blanch. (pro sp.) | birch | ME | NH | VT | MA | CT | RI | |
| Carpinus | Carpinus caroliniana Walt. | American hornbeam | ME | NH | VT | MA | CT | RI |
| Corylus | Corylus americana Walt. | American hazelnut | ME | NH | VT | MA | CT | RI |
| Corylus cornuta Marsh. | beaked hazelnut | ME | NH | VT | MA | CT | RI | |
| Ostrya | Ostrya virginiana (P. Mill.) K. Koch | eastern hophornbeam | ME | NH | VT | MA | CT | RI |
Last Update: 1/4/97
Name: Ray Phillips
Email: rbphilli@Colby.edu