Potamogeton natans L.
FamilyPotamogetonaceae — APG family: Potamogetonaceae
DescriptionSubmerged leaves linear, semiterete, with no differentiation of blade and petiole, rery different from ovate-to-oblong, long-petiolated, lustrous, grayish-green, coria- reous, many-nerved floating leaves; stipules long, longer in floating leaves than in ubmerged leaves; blade of submerged leaves soon perishes, leaving carinate, acute retioles, which persist; spike 4-5 cm long, with green fruits; beak short and broad.
EcologyLakes and streams with sluggish water. Described from Europe.
Apparently rare in Alaska.
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.