Species:
heteranthera.calliforlia
heteranthera.dubia, grassleaf mud plaintain
heteranthera.limosa, blue mud plaintain
heteranthera.mexicana, Mexican mud plaintain
heteranthera.multiflora, Bouqet mud plaintain
heteranthera.peduncularis, Egret mud plaintain
heteranthera.reniformis, Kidneyleaf mud plaintain
heteranthera.rotundifolia, Roundleaf mud plaintain
heteranthera.zosterifolia, stargrass
Genus:
Pontederis
tristylous aquatic plants known as pickerel weeds
Endemic to the Americas, from Canada to Argentina
Species:
Currently this genus has 27 species
Ponterderia.africana
Ponterderia.australasica
Ponterderia.azurea, floating water hyacinth
Ponterderia.brevipetiolata
Ponterderia.cordata, pickerel weed
Ponterderia.crassipes, common water hyacinth, invasive growth
Ponterderia.cyanea
Ponterderia.diverifolia
Ponterderia.elata
Ponterderia.gigantea
Ponterderia.hastata
Ponterderia.heterosperma
Ponterderia.korsakowii
Ponterderia.meyeri
Ponterderia.natans
Ponterderia.ovalis
Ponterderia.paniculata
Ponterderia.paradoxa
Ponterderia.parviflora
Ponterderia.plantaginea
Ponterderia.reflexa
Ponterderia.rotundifolia
Ponterderia.sagittata
Ponterderia.subvata
Ponterderia.triflora
Ponterderia.vafinalis, oval-leafed pondweek
Ponterderia.valida
