Forest Midstory & Overstory 

Castanea dentata (Marsh.) Borkh
American Chestnut
http://www.maine.gov/dacf/mnap/features/casden.htm

Habitat: Dry gravelly or rocky, mostly acidic soil. [Hardwood to mixed forest (forest, upland)]

Carya cordiformis (Wangenh.) K. Koch
Bitternut Hickory
http://www.maine.gov/dacf/mnap/features/carycor.htm

Habitat: Wet to dry woods, streambanks, and swamps. [Hardwood to mixed forest (forest, upland)]

Range: Southern Quebec to Minnesota, south to Florida and Texas.

Chamaecyparis thyoides (L.) B.S.P.
Atlantic White Cedar
http://www.maine.gov/dacf/mnap/features/chathy.htm

Habitat: Swamps. [Forested wetland]

Platanus occidentalis L.
Sycamore, American Sycamore
http://www.maine.gov/dacf/mnap/features/plaocc.htm

Habitat: Rich soil, especially in alluvial areas.

Quercus coccinea Muenchh.
Scarlet Oak
http://www.maine.gov/dacf/mnap/features/quecoc.htm

Habitat: Dry sandy soil. [Hardwood to mixed forest (forest, upland)]

Quercus montana Willd.
Chestnut Oak
http://www.maine.gov/dacf/mnap/features/quemon.htm

Habitat: Dry acidic slopes in southern part of state. [Hardwood to mixed forest (forest, upland)]

Sassafras albidum (Nutt.) Nees
Sassafras
http://www.maine.gov/dacf/mnap/features/sasalb.htm

Habitat: Woods and thickets. [Hardwood to mixed forest (forest, upland); Old field / roadside (non-forested, wetland or upland)]

Ulmus rubra Muhl.
Slippery Elm
http://www.maine.gov/dacf/mnap/features/ulmrub.htm

Habitat: Rich, often calcareous soil, alluvial woods. [Hardwood to mixed forest (forest, upland)]