Agrimony
Allegheny Vine
Anemone, Canada
Anemone, False Rue
Anemone, Wood
Angelica, Greater
Annual Honesty
Arrowhead, Broad-leaved
Arrowhead, Floating
Arrow-wood, Downy
Arum, Water
Aster, Arrow-leaved
Aster, Ciliolate
Aster, Flat-topped
Aster, Large-leaved 
Aster, New England 
Aster, Panicled
Aster, Sharp-leaved
Aster, Small White
Aster, White Wood
Aster, Whorled
Avens, White
Avens, Yellow
Baneberry, White
Baneberry, Red  (F)
Basil, Wild
Beardtongue, Hairy
Beardtongue, White
Bedstraw, Marsh
Bedstraw, Sweet-scented
Bee Balm 
Bell Flower, Blue Marsh
Bellwort, Large-flowered
Beggar Ticks
Bergamot, Purple 
Bergamot, Wild
Bindweed, Field
Bindweed, Fringed
Bindweed, Hedge
Bird's-foot Trefoil
Bittersweet, Climbing
Bittersweet Nightshade
Blackberry, Common
Black Nightshade
Black Raspberry
Bladderwort, Common
Black-eyed Susan
Bladder Campion
Bleeding Heart, Wild (F)
Bloodroot (F)
Blueberry, Early Low
Blue-eyed Grass
Blue Flag
Boneset
Bouncing Bet
Buckwheat, Climbing False
Bugle, Common 
Bugleweed, Northern
Bugloss, Viper's
Bull Thistle
Bunchberry
Burdock, Common
Burreed, Common
Burreed, Large Fruited
Bush Honeysuckle
Butter-and-eggs
Buttercup, Common
Buttercup, Hooked 
Buttercup, Kidneyleaf
Butterfly Weed (F) 
Buttonbush