Najas marina

Najas marina
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Hydrocharitaceae
Genus: Najas
Species:
N. marina
Binomial name
Najas marina
Synonyms
  • Ittnera major (All.) C.C.Gmel.
  • Ittnera najas C.C.Gmel.
  • Najas fluviatilis Poir.
  • Najas fucoides Griff.
  • Najas gracilis (Morong) Small
  • Najas laevis Lojac.
  • Najas latifolia A.Braun
  • Najas major All.
  • Najas maritima Pall.
  • Najas microcarpa (A.Braun) Bolle ex Christ
  • Najas monosperma Willd.
  • Najas muricata Thuill.
  • Najas polonica Zalewski
  • Najas tetrasperma Willd.

Najas marina is a species of aquatic plant known by the common names spiny water nymph, spiny naiad and holly-leaved naiad. It is an extremely widespread species, reported across Europe, Asia, Africa, Australia, the Americas and many oceanic islands. It can be found in many types of freshwater and brackish aquatic habitat, including bodies of alkaline water.