Najas Linnaeus. Naiad, Bushy-pondweed, Water-nymph.
A genus of about 40 species, nearly cosmopolitan. Classification of subgenera and sections follows Ito et al. (2017).
Key advice:Counts of leaf-teeth do not include the broadened, sheathing base of the leaf. Seeds are necessary for the identification of most species.
Ref: Bräuchler (2015); Crow & Hellquist (2023); Fernald (1902); Freeman & Pfingsten (2021); Haynes (1979); Haynes (2000c) In Flora of North America Editorial Committee (2000); Haynes & Hellquist (1996); Haynes, Holm-Nielsen, & Les In Kubitzki (1998b); Ito et al. (2017); Les et al. (2015); Rüegg et al. (2017). Show full citations.
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.
© htrommer, some rights reserved (CC BY-NC) | Najas guadalupensis var. olivacea source | Original Image ⭷ Warning: was NOT research grade.
© Jay Horn | Najas wrightiana source | Original Image ⭷Feedback
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