Potamogetonaceae
Groenlandia densa (L.) Fourr.
Groenlandia densa (L.) Fourr.
Groenlandia is a monotypic pondweed genus with one native species, opposite-leaved pondweed, not found in Greenland.
Potamogeton alpinus Balb.
Potamogeton alpinus Balb.
Potamogeton alpinus (red pondweed) is a Northern Hemisphere aquatic perennial pondweed with recorded declines across many regions.
Potamogeton amplifolius Tuck.
Potamogeton amplifolius Tuck.
Potamogeton amplifolius, largeleaf or broad-leaved pondweed, is a North American perennial aquatic plant that grows in deep water bodies.
Potamogeton berchtoldii Fieber
Potamogeton berchtoldii Fieber
Potamogeton berchtoldii, or small pondweed, is a widespread bushy fine-leaved aquatic plant suitable for ponds and aquariums.
Potamogeton crispus L.
Potamogeton crispus L.
Potamogeton crispus L. (curly-leaf pondweed) is an aquatic perennial herb sometimes cultivated for ponds, which can be invasive outside its native range.
Potamogeton epihydrus Raf.
Potamogeton epihydrus Raf.
Potamogeton epihydrus, or ribbonleaf pondweed, is an aquatic pondweed native mostly to North America with isolated British populations.
Potamogeton friesii Rupr.
Potamogeton friesii Rupr.
Potamogeton friesii (flat-stalked pondweed) is a fine-leaved aquatic annual pondweed found across the Northern Hemisphere.
Potamogeton gramineus L.
Potamogeton gramineus L.
Potamogeton gramineus (various-leaved pondweed) is a variable, nutrient-sensitive Northern Hemisphere aquatic pondweed that frequently hybridizes.
Potamogeton lucens L.
Potamogeton lucens L.
Potamogeton lucens, shining pondweed, is a large aquatic broad-leaved pondweed native to Eurasia, North Africa and the Middle East.
Potamogeton natans L.
Potamogeton natans L.
Potamogeton natans L. is a pondweed that bears both floating and submerged leaves, with a distinct joint on its leaf stalks.
Potamogeton nodosus Poir.
Potamogeton nodosus Poir.
Potamogeton nodosus, also called longleaf or Loddon pondweed, is a widespread perennial aquatic plant native to Eurasia and the Americas.
Potamogeton obtusifolius Mert. & W.D.J.Koch
Potamogeton obtusifolius Mert. & W.D.J.Koch
Potamogeton obtusifolius (blunt-leaved pondweed) is an annual fine-leaved pondweed with a wide global distribution.
Potamogeton perfoliatus L.
Potamogeton perfoliatus L.
Potamogeton perfoliatus, or perfoliate pondweed, is a widespread submerged aquatic pondweed found across most continents except South America and Antarctica.
Potamogeton polygonifolius Pourr.
Potamogeton polygonifolius Pourr.
Potamogeton polygonifolius (bog pondweed) is a variable perennial aquatic/terrestrial plant native mainly to western Europe.
Potamogeton praelongus Wulfen
Potamogeton praelongus Wulfen
Potamogeton praelongus Wulfen, long-stalked pondweed, is a Holarctic aquatic plant with distinctive zig-zag stems.
Potamogeton richardsonii (A.Benn.) Rydb.
Potamogeton richardsonii (A.Benn.) Rydb.
Richardson's pondweed (Potamogeton richardsonii) is a native North American perennial aquatic plant found in freshwater bodies.
Potamogeton robbinsii Oakes
Potamogeton robbinsii Oakes
Potamogeton robbinsii Oakes is an aquatic plant identifiable by its unique branching inflorescences when it rarely flowers.
Potamogeton trichoides Cham. & Schltdl.
Potamogeton trichoides Cham. & Schltdl.
Hairlike pondweed (Potamogeton trichoides) is a distinctive rare fine-leaved aquatic perennial native to the western Palaearctic and Africa.
Stuckenia pectinata (L.) Börner
Stuckenia pectinata (L.) Börner
Stuckenia pectinata is a fully submerged aquatic plant that can be a nuisance weed in eutrophic waterways, and its tubers feed waterfowl.
Zannichellia palustris L.
Zannichellia palustris L.
Zannichellia palustris, or horned pondweed, is an aquatic plant identifiable by thread-like leaves and distinctive horned seeds.
Potamogeton foliosus Raf.
Potamogeton foliosus Raf.
Potamogeton foliosus, or leafy pondweed, is a North/Central American perennial aquatic plant growing in calm to slow water bodies.
Potamogeton diversifolius Raf.
Potamogeton diversifolius Raf.
Potamogeton diversifolius (waterthread pondweed) is a widely distributed North American aquatic perennial pondweed, an important food source for waterfowl and other animals.
Potamogeton illinoensis Morong
Potamogeton illinoensis Morong
Potamogeton illinoensis, or Illinois shining pondweed, is an aquatic plant that becomes a noxious introduced weed in parts of Argentina.
Potamogeton pusillus L.
Potamogeton pusillus L.
Potamogeton pusillus (lesser pondweed) is a common, widespread eutrophication-tolerant submerged aquatic pondweed.
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