Pulsatilla vulgaris
frogbit
fanwort
Dictamnus alba
Naiadaceae
gas plant
Saxifraga hypnoides
wool grass
Alternanthera philoxeroides
maple-leaf begonia
alligator grass
sheep's-bit
dittany
fraxinella
Myrrhis odorata
burning bush
mossy saxifrage
prairie mimosa
sweet cicely
Begonia dregei
prickle-weed
family Najadaceae
freshwater soldier
Erianthus ravennae
Desmanthus ilinoensis
alligator weed
family Naiadaceae
naiad family
Ravenna grass
grape-leaf begonia
Najadaceae
Astrantia major
Asarum europaeum
Linosyris vulgaris
asarabacca
Aster linosyris
caraway
Carum carvi
greater masterwort
goldilocks aster
goldilocks
Helleborus niger
Buphthalmum salicifolium
winter rose
Calla palustris
wild calla
woodland oxeye
water arum
black hellebore
Christmas rose