Click on a common name for a photo of the plant, or click on a letter for names beginning with that letter.
| Barberry, Beale's |
Mahonia bealei |
| Barberry, Japanese |
Berberis thunbergii |
| Bartonia, Twining |
Bartonia paniculata subsp. paniculata |
| Basil, Field |
Clinopodium vulgare |
| Bayberry, Southern |
Morella cerifera |
| Beach-heather |
Hudsonia tomentosa |
| Bean, Pink Wild |
Strophostyles umbellata |
| Bean, Trailing Wild |
Strophostyles helvola |
| Bear-corn |
Conopholis americana |
| Beardtongue, Tall White |
Penstemon digitalis |
| Bedstraw, Blunt-leaf |
Galium obtusum subsp. obtusum |
| Bedstraw, Catchweed |
Galium aparine |
| Bedstraw, Madder |
Galium mollugo |
| Bedstraw, Southern Forest |
Galium circaezans var. circaezans |
| Bedstraw, Yellow Spring |
Galium verum |
| Beebalm, Basil |
Monarda clinopodia |
| Beebalm, Horsemint |
Monarda punctata subsp. punctata |
| Beebalm, Oswego-tea |
Monarda didyma |
| Beebalm, Wild Bergamot |
Monarda fistulosa var. fistulosa |
| Beech, American |
Fagus grandifolia |
| Beechdrops |
Epifagus virginiana |
| Bellflower, Marsh |
Campanula aparinoides |
| Bellwort, Perfoliate |
Uvularia perfoliata |
| Bellwort, Sessile-leaf |
Uvularia sessilifolia |
| Bergamot, Wild |
Monarda fistulosa var. fistulosa |
| Bindweed, Field |
Convolvulus arvensis |
| Bindweed, Hedge |
Calystegia sepium var. sepium |
| Bishop's-cap, Two-leaf |
Mitella diphylla |
| Bishopweed, Mock |
Ptilimnium capillaceum |
| Bitter-cress, Bulbous |
Cardamine bulbosa |
| Bittercress, Hairy |
Cardamine hirsuta |
| Bittercress, Narrowleaf |
Cardamine impatiens |
| Bittercress, Pennsylvania |
Cardamine pensylvanica |
| Bittercress, Pepper-root |
Cardamine diphylla |
| Bittercress, Touch-me-not |
Cardamine impatiens |
| Bittersweet, Oriental |
Celastrus orbiculatus |
| Black-eyed Susan |
Rudbeckia hirta var. pulcherrima |
| Blackberry, Allegheny |
Rubus allegheniensis |
| Blackberry, Evergreen |
Rubus laciniatus |
| Blackberry, Three-leaf |
Rubus parvifolius |
| Blackberry, Yankee |
Rubus flagellaris |
| Blackhaw, Smooth |
Viburnum prunifolium |
| Bladdernut, American |
Staphylea trifolia |
| Bladderwort, Humped |
Utricularia gibba |
| Bladderwort, Large Swollen |
Utricularia inflata |
| Bladderwort, Purple |
Utricularia purpurea |
| Blanket-flower, Fire-wheel |
Gaillardia pulchella var. pulchella |
| Blazing Star, Dense |
Liatris spicata var. spicata |
| Blazingstar, Northern |
Liatris squarrosa var. squarrosa |
| Blazingstar, Spicate |
Liatris spicata var. spicata |
| Bloodroot |
Sanguinaria canadensis |
| Blue-eyed-grass, Michaux's |
Sisyrinchium mucronatum |
| Blue-eyed-grass, Pointed |
Sisyrinchium angustifolium |
| Bluebells, Spanish |
Hyacinthoides hispanica |
| Bluebells, Virginia |
Mertensia virginica |
| Blueberry, Black Highbush |
Vaccinium fuscatum |
| Blueberry, Highbush |
Vaccinium corymbosum |
| Blueberry, Late Lowbush |
Vaccinium angustifolium |
| Blueberry, Lowbush |
Vaccinium pallidum |
| Blueberry, Sand |
Vaccinium stamineum var. stamineum |
| Bluecurls, Forked |
Trichostema dichotomum |
| Bluegrass, Kentucky |
Poa pratensis |
| Bluestem, Little |
Schizachyrium scoparium var. scoparium |
| Bluet |
Houstonia caerulea |
| Boltonia, Aster-like |
Boltonia asteroides var. glastifolia |
| Boneset |
Eupatorium perfoliatum |
| Boneset, Blue |
Conoclinium coelestinum |
| Bouncing-bet |
Saponaria officinalis |
| Breeches, Dutchman's |
Dicentra cucullaria |
| Broomrape, One-flowered |
Orobanche uniflora |
| Buckwheat |
Fagopyrum esculentum |
| Buckwheat., Crested Climbing |
Fallopia scandens |
| Bugleweed, American |
Lycopus americanus |
| Bugleweed, Carpet |
Ajuga reptans |
| Bugleweed, Northern |
Lycopus uniflorus |
| Bugleweed, Taperleaf |
Lycopus rubellus |
| Bugleweed, Virginia |
Lycopus virginicus |
| Bulrush, Bashful |
Trichophorum planifolium |
| Bulrush, Georgia |
Scirpus georgianus |
| Bulrush, Leafy |
Scirpus polyphyllus |
| Bulrush, Softstem |
Schoenoplectus tabernaemontani |
| Bulrush, Woolgrass |
Scirpus cyperinus |
| Bunchflower, Virginia |
Veratrum virginicum |
| Bur-cucumber, One-seed |
Sicyos angulatus |
| Bur-reed, American |
Sparganium americanum |
| Burdock, Great |
Arctium lappa |
| Burdock, Lesser |
Arctium minus |
| Burning Bush |
Euonymus alatus |
| Bush, High-tide |
Baccharis halimifolia |
| Bushclover, Chinese |
Lespedeza cuneata |
| Bushclover, Roundhead |
Lespedeza capitata |
| Bushclover, Shrubby |
Lespedeza bicolor |
| Bushclover, Slender |
Lespedeza virginica |
| Bushclover, Trailing |
Lespedeza procumbens |
| Bushclover, Wand |
Lespedeza violacea |
| Butter-and-eggs |
Linaria vulgaris |
| Buttercup, Bulbous |
Ranunculus bulbosus |
| Buttercup, Creeping |
Ranunculus repens |
| Buttercup, Cursed |
Ranunculus sceleratus var. sceleratus |
| Buttercup, Hispid |
Ranunculus caricetorum |
| Buttercup, Hooked |
Ranunculus recurvatus var. recurvatus |
| Buttercup, Kidneyleaf |
Ranunculus abortivus |
| Butterfly-bush |
Buddleja davidii |
| Butterfly-pea, Maryland |
Clitoria mariana var. mariana |
| Butternut |
Juglans cinerea |
| Buttonbush |
Cephalanthus occidentalis |
| Buttonweed, Poorly-drained |
Diodia virginiana |
| Buttonweed, Well-drained |
Diodella teres |