Castanea dentata (Marshall) Borkhausen - American Chestnut. 2n = 24.

Dry woods, mostly in acidic soil.

CASTANEA MOLLISIMA Blume - Chinese Chestnut. 2n = 24.

Field borders, pine woods. From eastern Asia.

CASTANEA PUMILA Miller - Chinquapin. 2n = 24.

Dry, open woods. From farther south.

CASTANEA SATIVA Miller - Spanish Chestnut. 2n = 24.

Dry woods. From Eurasia.

Fagus grandifolia Ehrhart - American Beech. 2n = 24.

Rich woods. [F. grandifolia var. caroliniana (Loudon) Fernald & Rehder]

FAGUS SYLVATICA Linnaeus - European Beech. 2n = 24.

Fields, moist woodlands. From Europe.

Quercus alba Linnaeus - White Oak. 2n = 24.

Dry woods.

Quercus bicolor Willdenow - Swamp White Oak. 2n = 24.

Swamps, stream margins.

QUERCUS CERRIS Linnaeus - Turkey Oak. 2n = 24.

Woodland borders, fields. From Eurasia.

Quercus coccinea Münchhausen - Scarlet Oak. 2n = 24.

Dry woods. [Q. coccinea var. tuberculata Sargent]

Quercus ilicifolia Wangenheim - Scrub Oak. 2n = 24.

Dry, sandy, acidic soil.

QUERCUS IMBRICARIA Michaux - Shingle Oak. 2n = 24.

Roadsides. From farther south and west.

Quercus macrocarpa Michaux - Mossy-cup Oak. 2n = 24.

Rich woods, bottomlands, usually in calcareous soil.

Quercus montana Willdenow - Chestnut Oak. 2n = 24.

Rich woods. [Q. prinus Linnaeus - an ambiguous name]

Quercus muhlenbergii Engelmann - Chinquapin Oak. 2n = 24.

Dry, calcareous slopes.

Quercus palustris Münchhausen - Pin Oak. 2n = 24.

Swampy woods, bottomlands.

Quercus prinoides Willdenow - Dwarf Chinquapin Oak. 2n = 24.

Dry fields, thickets, woodland borders. [Q. prinoides var. rufescens Rehder]

QUERCUS ROBUR Linnaeus - English Oak. 2n = 24.

Roadsides, dry woodland borders. From Europe.

Quercus rubra Linnaeus - Red Oak. 2n = 24.

Dry woods. [Q. rubra var. ambigua Fernald; Q. rubra var. borealis (F. Michaux) Farwell]

Quercus stellata Wangenheim - Post Oak. 2n = 24.

Dry, sterile woods.

Quercus velutina Lamarck - Black Oak. 2n = 24.

Dry woods.

Quercus hybrids

Quercus X bebbiana C.K. Schneider - .

[Q. alba Linnaeus X Q. macrocarpa Michaux]

Quercus X benderi Baenitz - .

[Q. coccinea Münchhausen X Q. rubra Linnaeus]

Quercus X bimundorum E.J. Palmer - .

[Q. alba Linnaeus X Q. ROBUR Linnaeus]

Quercus X faxonii Trelease - .

[Q. alba Linnaeus X Q. prinoides Willdenow]

Quercus X fernaldii Trelease - .

[Q. ilicifolia Wangenheim X Q. rubra Linnaeus]

Quercus X fernowii Trelease - .

[Q. alba Linnaeus X Q. stellata Wangenheim]

Quercus X fontana Laughlin - .

[Q. coccinea Münchhausen X Q. velutina Lamarck]

Quercus X hawkinsii Sudworth - .

[Q. rubra Linnaeus X Q. velutina Lamarck]

Quercus X jackiana C.K. Schneider - .

[Q. alba Linnaeus X Q. bicolor Willdenow]

Quercus X leana Nuttall - .

[Q. IMBRICARIA Michaux X Q. velutina Lamarck]

Quercus X rehderi Trelease - .

[Q. ilicifolia Wangenheim X Q. velutina Lamarck]

Quercus X robbinsii Trelease - .

[Q. coccinea Münchhausen X Q. ilicifolia Wangenheim]

Quercus X saulii C.K. Schneider - .

[Q. alba Linnaeus X Q. montana Willdenow]

Quercus X schuettei Trelease - .

[Q. bicolor Willdenow X Q. macrocarpa Michaux]

Quercus X stelloides E.J. Palmer - .

[Q. prinoides Willdenow X Q. stellata Wangenheim]

Quercus X vaga E.J. Palmer & Steyermark - .

[Q. palustris Münchhausen X Q. velutina Lamarck]

Hamamelis virginiana Linnaeus - Witch-hazel. 2n = 24.

Rich, moist woods, thickets. [H. virginiana var. parvifolia Nuttall]

Liquidambar styraciflua Linnaeus - Sweet Gum. 2n = 32.

Swampy woods.

Carya cordiformis (Wangenheim) K. Koch - Bitternut Hickory. 2n = 32.

Wet woods, damp fields, stream banks, hillsides, roadsides.

Carya glabra (Miller) Sweet - Pignut Hickory. 2n = 64.

Woods, dry hills. [C. glabra var. odorata (Marshall) Little; C. ovalis (Wangenheim) Sargent; C. ovalis (Wangenheim) Sargent var. hirsuta (Ashe) Sargent; C. ovalis (Wangenheim) Sargent var. obcordata (Muhlenberg & Willdenow) Sargent; C. ovalis (Wangenheim) Sargent var. obovalis Sargent; C. ovalis (Wangenheim) Sargent var. odorata (Marshall) Sargent]

Carya ovata K. Koch var. ovata - Shagbark Hickory. 2n = 32.

Rich, moist soils of woods, slopes, and roadsides.

Carya tomentosa (Poiret) Nuttall - Mockernut Hickory. 2n = 64.

Woods in well-drained soil, rocky hillsides. [C. alba ambiguous name]

Carya hybrid

Carya X laneyi Sargent - .

[C. cordiformis (Wangenheim) K. Koch X C. ovata (Miller) K. Koch var. ovata]

Juglans cinerea Linnaeus - Butternut. 2n = 32.

Roadsides, rich woods, river terraces and valleys, rocky slopes.

JUGLANS MANDSHURICA Maximowicz var. SACHALINENSIS (Miyabe & Kudo) Kitamura - Japanese Walnut. 2n = 32.

Thickets, roadsides. From eastern Asia. [J. AILANTIFOLIA Carrière; J. SIEBOLDIANA Maximowicz; the NEBC specimen from Knox Co., Maine is presumed to be planted.]

Juglans nigra Linnaeus - Black Walnut. 2n = 32.

Rich woods.

AKEBIA QUINATA (Houttuyn) Decaisne - Chocolate Vine. 2n = 32.

Waste places, roadsides. From eastern Asia.

Akebia hybrid

AKEBIA X PENTAPHYLLA (Makino) Makino - .

[A. QUINATA (Houttuyn) Decaisne X A. TRIFOLIATA (Thunberg) Koidzumi]

Lindera benzoin (Linnaeus) Blume - Spicebush. 2n = 24.

Damp woods, stream banks, in rich soil.

Sassafras albidum (Nuttall) Nees - Sassafras. 2n = 48.

Woods, thickets, woodland borders. [S. albidum var. molle (Rafinesque) Fernald]

Liriodendron tulipifera Linnaeus - Tulip-tree. 2n = 38.

Rich woods.

Magnolia acuminata (Linnaeus) Linnaeus - Cucumber-tree. 2n = 76.

Rich woods.

MAGNOLIA TRIPETALA (Linnaeus) Linnaeus - Umbrella-tree. 2n = 38.

Escaped in rich woods. From farther south and west.

Magnolia virginiana Linnaeus - Sweet-bay. 2n = 38.

Swamps, low woods.

Menispermum canadense Linnaeus - Moonseed. 2n = 52.

Rich woods, thickets, stream banks.

BROUSSONETIA PAPYRIFERA (Linnaeus) L'Héritier ex Ventenat - Paper-mulberry. 2n = 26.

Roadsides, thickets. From eastern Asia.

FICUS CARICA Linnaeus - Common Fig. 2n = 26.

Waste ground. From western Asia.

MACLURA POMIFERA (Rafinesque) C.K. Schneider - Osage-orange. 2n = 56.

Fields, roadsides. From farther west and south.

MORUS ALBA Linnaeus - White Mulberry. 2n = 28.

Waste areas, roadsides. From eastern Asia.

Morus rubra Linnaeus - Red Mulberry. 2n = 28.

Rich woods, in calcareous soil, riverbanks.

Comptonia peregrina (Linnaeus) J.M. Coulter - Sweet-fern. 2n = 32.

Dry, sterile fields, clearings, open woods, usually in acidic, sandy or rocky soil.

Myrica gale Linnaeus - Sweet Gale. 2n = ca. 96.

Shallow water at edges of ponds, lakes, streams, swamps, bogs. [M. gale var. subglabra (A. Chevalier) Fernald]

Myrica pensylvanica Mirbel - Northern Bayberry. 2n = 16.

Woodland borders, thickets, ledges, on sterile soil, primarily near the coast. [Morella pensylvanica (Mirbel) Kartesz]