Harvard LTER Schoolyard Program
Tree Species
Tree species are identified with a 2-character code:
- AP = Apple
- BA = Black Ash
- BB = Black Birch
- BC = Black Cherry
- BE = Beech
- BL = Black Locust
- BN = Black Walnut
- BO = Black Oak
- BS = Black Spruce
- BT = Buckthorn
- BW = Basswood
- BX = Box Elder (Ash Maple)
- CH = Chestnut
- CO = Chestnut Oak
- CT = Catalpa
- CW = Cottonwood
- EC = Exotic Cherry
- EL = American Elm
- ES = Slippery Elm
- FD = Flowering Dogwood
- GA = Green Ash
- GB = Gray Birch
- GD = Gray Dogwood
- HA = Hawthorn
- HL = Honey Locust
- HO = Hornbeam
- IW = Ironwood
- LA = Largetoothed Aspen
- LR = Larch
- MA = Mountain Ash
- MM = Mountain Maple
- NM = Norway Maple
- NS = Norway Spruce
- PC = Pin Cherry
- PH = Pignut Hickory
- PO = Pin Oak
- PP = Pitch Pine
- RA = Red Ash
- RB = River Birch
- RM = Red Maple
- RO = Red Oak
- RP = Red Pine
- RS = Red Spruce
- SA = Sassafras
- SB = Serviceberry (Shadbush)
- SH = Shagbark Hickory
- SM = Sugar Maple
- SO = Scarlet Oak
- SP = Scotch Pine
- SR = Star Magnolia
- ST = Striped Maple
- SV = Silver Maple
- TA = Trembling Aspen
- TP = Tulip Popular
- TS = Hemlock
- WA = White Ash
- WB = White Birch
- WH = Witch Hazel
- WM = White Mulberry
- WO = White Oak
- WP = White Pine
- WS = White Spruce
- X1 = Unidentified
- YB = Yellow Birch
- YW = Yellow Wood