Litterfall abbreviation key used by the Forest Ecosystems Group at the University of New Hampshire. Species found at the Harvard Forest Chronic Nitrogen Amendment plots and the Tom Swamp Experimental Hurricane plots.

Species Abbreviation Common Name Latin Name Species Code
AB American Beech Fagus grandifolia Ehrh. 4
BA Black Ash Fraxinus nigra 21
BB Sweet Birch / Black Birch Betula lenta L. 5
BC Black Cherry Prunus serotina Ehrh. 3
BG Black Tupelo / Blackgum Nyssa sylvatica Marsh.  
BL Black Locust Robinia pseudoacacia L. 37
BO Black Oak Quercus velutina Lam. 6
BT BigTooth Aspen Poplulus Grandidentata Michx. 16
BW American basswood Tilia americana L. 23
CC Am hornbeam/ironwood/ musclewood Carpinus caroliniana Walt. 38
CN American Chestnut Castanea dentata (Marsh.) Bork 9
EL American Elm Ulmus americana L. 39
FF Fruit and Flowers   31
FR Fragments   30
GA Green Ash Fraxinus pennsylvanica Marsh. 41
HE Eastern Hemlock Tsuga canadensis (L.) Carriere 18
HH Eastern Hophornbeam (smooth bark) Ostrya Virginiana (Mill.) K.Ko 46
HI Shagbark Hickory Carya ovata (Mill.) K. Koch 13
NS Norway Spruce Picea abies (L.) Karst. 17
OL Other Litter   28
OM Other Material   29
QA Quaking Aspen Populus tremuloides Michx. 48
RB River Birch Betula nigra L. 27
RM Red Maple Acer rubrum L. 2
RO Northern Red Oak Quercus rubra L. 51
RP Red Pine Pinus resinosa Soland. 19
RS Red Spruce Picea rubens Sarg. 24
SE Slippery Elm Ulmus rubra Muhl. 40
SM Sugar Maple Acer saccharum L. 15
ST Striped Maple Acer pensylvanicum L. 11
TG Twigs   32
WA White Ash Fraxinus americana L. 14
WB White Birch / Paper Birch Betula papyrifera Marsh. 8
WH Witch-hazel Hamamelis virginiana L. 22
WO White Oak Quercus alba L. 10
WP White Pine Pinus strobus L. 7
YB Yellow Birch Betula alleghaniensis Britt. 12