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Order Najadales

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Order Najadales (10 families, 19 genera)

• Family Aponogetonaceae (1 genus, 30 species)
  Lattice
  • Genus Aponogeton
    • Aponogeton robinsonii
    • Aponogeton distachys
    • Aponogeton fenestralis
• Family Scheuchzeriaceae (1 genus, 2 species)
  • Genus Scheuchzeria
• Family Juncaginaceae (4 genera, 18 species)
  Arrow Grass
  • Genus Triglochin
    • Triglochin concinna
    • Triglochin palustris
      Marsh Arrowgrass
    • Triglochin procerum
  • Genus Lilaea
    • Lilaea subulata
• Family Potamogetonaceae (2 genera, 101 species)
  Pondweed
  • Genus Groenlandia (1 species)
  • Genus Potamogeton (100 species)
    • Potamogeton amplifolius
    • Potamogeton aschersonii
    • Potamogeton bupleuroides
    • Potamogeton burkartii
    • Potamogeton champlainii
    • Potamogeton claytonii
    • Potamogeton clystocarpus
    • Potamogeton conjungens
    • Potamogeton curtissii
    • Potamogeton diversifolius
    • Potamogeton faxoni
    • Potamogeton fibrillosus
    • Potamogeton floridanus
    • Potamogeton foliosus
    • Potamogeton fragillimus
    • Potamogeton gramineus
    • Potamogeton hagstromii
    • Potamogeton haynesii
    • Potamogeton hillii
    • Potamogeton insulanus
    • Potamogeton lateralis
    • Potamogeton liebmanni
    • Potamogeton lonchites
    • Potamogeton lucens
    • Potamogeton marinus
    • Potamogeton mexicanus
    • Potamogeton monatnense
    • Potamogeton mysticus
    • Potamogeton natans
      Broad-leaved Pondweed
    • Potamogeton oakesianus
    • Potamogeton ogdenii
    • Potamogeton paramoanus
    • Potamogeton pectinatus
    • Potamogeton pedersenii
    • Potamogeton perfoliatus
    • Potamogeton perplexus
    • Potamogeton porteri
    • Potamogeton pulcher
    • Potamogeton pusillus
    • Potamogeton rectifolius
    • Potamogeton rotundatus
    • Potamogeton scoliophyllus
    • Potamogeton spirillus
    • Potamogeton spoliatus
    • Potamogeton subnitens
    • Potamogeton subrufus
    • Potamogeton subsessilis
    • Potamogeton tennesseensis
    • Potamogeton tuckermani
    • Potamogeton vaseyi
    • Potamogeton wrightii
    • Potamogeton zizii
    • Potamogeton zoste
• Family Ruppiaceae (1 genus, 2 species)
  Ditch Grass
  • Genus Ruppia
    • Ruppia anomala
    • Ruppia maritima
• Family Najadaceae (1 genus, 50 species)
  Water Nymph
  • Genus Najas
    • Najas filifolia
    • Najas flexilis
      Naiad
    • Najas major
    • Najas marina
    • Najas multidentata
    • Najas urbaniana
• Family Zannichelliaceae
  Horned Pondweed
• Family Posidoniaceae
• Family Cymodoceaceae (4 genera, 21 species)
  Manatee Grass
  • Genus Halodule
    • Halodule emarginata
      Halodule wrightii
• Family Zosteraceae (2 genera, 12 species)
  Eel Grass
  • Genus Phyllospadix
    • Phyllospadix torreyi
  • Genus Zostera
    • Zostera capensis
    • Zostera latifolia
    • Zostera marina
    • Zostera pacifica

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