Please note that even within the following fairly narrow categories, such as "Wet Areas in Full Sunlight", there will always be a range of conditions - some drier spots, areas with lots of competing low vegetation, etc. Know your planting conditions well, and try to plant the correct species. When in doubt, look around for similar conditions and see what plants are doing well there.

Wet Areas in Full Sunlight:
(swamps, floodplains, etc.)

Black Spruce
Eastern Larch (Tamarack)
Eastern White Cedar
Red Maple
Black Ash
White Ash (if not in standing water)
American Elm
Willow
Wild Raisin (Witherod)
Common Elder
Red-osier Dogwood
Speckled Alder
Winterberry
Sweetfern
Large-toothed Aspen
Mountain Holly
American or Showy Mountain Ash

Wet Areas With Partial Shade:
(wooded streambanks, high areas in swamps and swamps & the upper edges of floodplains).

Eastern Hemlock
Eastern White Cedar (light shade)
Striped Maple
Mountain Maple
Yellow Birch
Ironwood
Red Maple (will tolerate standing water)
Mountain Holly
Wild Raisin (will tolerate standing water)
Winterberry
Common Elder (will tolerate some flooding)
Alternate-leaf Dogwood
Beaked Hazelnut

Dry Areas Receiving Full Sun:
(old fields, upper banks of streams, etc.)

White Spruce
Jack Pine (generally grows poorly)
Balsam Fir
Red Pine (moderately, in sandy soils)
White Birch
Apple
Grey Birch
Red Oak
White Ash
Trembling Aspen
Balsam Poplar
Butternut
Pin Cherry
Highbush (American) Cranberry
Choke Cherry
Serviceberry
Red-berried Elder
Common Elder
Hawthorn
Staghorn Sumac
American or Showy Mountain Ash
Wild Rose
Speckled Alder
Mountain or Downy Alder
Northern Bayberry
Wild Raisin (Witherod)

Dry Areas With Partial Shade:
(woodlands needing additional diversity)

Eastern Hemlock
White Pine
Red Spruce
Balsam Fir
Sugar Maple
Striped Maple
American Beech
Yellow Birch
Red Oak (light shade)
White Ash (light shade)
Canada Yew
American Fly Honeysuckle
Beaked Hazelnut
Alternate-leaf Dogwood
Wild Raisin (Witherod)
Highbush (American) Cranberry
Hobblebush
Witch Hazel

Around Homes and Buildings:
(for wildlife enhancement and beautification)

White Pine
Red Pine
Eastern White Cedar
White Birch
Red Oak
White Ash
Sugar Maple
Red Maple
Apple
Serviceberry
Highbush Cranberry
Wild Raisin
Red-osier Dogwood
Alternate-leaf Dogwood
Hawthorn
Staghorn Sumac
Witch hazel
Common Elder
Red-berried Elder
Beaked Hazelnut
Willow
American or Showy Mountain Ash
Northern Bayberry
Hobblebush (with some shade)

Windbreaks and Hedgerows:
(for controlling wind and erosion, as well as reducing heating costs and increasing privacy)

White or Black Spruce
White Pine
Jack Pine
Eastern Larch
Red Maple
Apple
Serviceberry
Staghorn Sumac
Red-osier Dogwood
Common Elder
Red-berried Elder
American or Showy Mountain Ash
Pin Cherry
Choke Cherry
Speckled or Mountain Alder
Northern Bayberry
Hawthorn
Wild Rose
Wild Raisin
Willow

Shore Plantings:
(generally must tolerate salt spray & wind)

White Spruce
White Pine
Red Oak
White Birch
Grey Birch
Balsam Poplar
Trembling Aspen
Red Maple
White Ash
Northern Bayberry
Wild Rose
Wild Raisin
Staghorn Sumac
Mountain Ash
Willow
Choke Cherry
Pin Cherry
Speckled Alder
Mountain or Downy Alder
Red-osier Dogwood
Common Juniper
Ground Juniper