Keck Reservation: Trees

Walter Kittredge, a botanist from Harvard, compiled a list of the plants present at the Keck Reservation
(You may email Walter at

He categorized the plants into:

You may download a list of all categories with either of the following links

Microsoft Excel Adobe PDF

Keys to Abbreviations

Wetlands Indicator Status (WIS)
Native/Introducted (N/I)
OBL = Obligate wetland plant N = Native
FAC = Facultative plant I = Introduced
FACW = Facultative wetland plant
FACU = Facultative upland plant
UPL = Upland plant


Common Name Genus species Family N/I WIS
Birch, Gray Betula populifolia BETU N FAC
Birch, Yellow Betula allegheniensis BETU N FAC
Buckthorn, Glossy Frangula alnifolia RHAM I FAC
Chestnut Castanea dentata FAGA N FACU
Elm, American Ulmus americana ULMA N FACW-
Hickory, Shagbark Carya ovata JUGL N FACU-
Maple, Japanese Acer japonicum SAPI I
Maple, Norway Acer platanoides SAPI I
Maple, Red Acer rubrum SAPI N FAC
Maple, Striped Acer pensylvanicum SAPI N FACU
Mountain-Ash, European Sorbus aucuparia ROSA I
Oak, Black Quercus velutina FAGA N
Oak, Red Quercus rubra FAGA N FACU-
Oak, Scarlet Quercus coccinea FAGA N
Oak, White Quercus alba FAGA N FACU-
Pine, White Pinus strobus PINA N FACU
Sassafras Sassafras albidum LAUR N FACU
Spruce, White Picea glauca PINA N FACU
Tree of Heaven Ailanthus altissima SIMA I
Tupelo or Black Gum Nyssa sylvatica NYSS N FAC
Back to Peggy Keck Reservation page