Keywords: Najas flexilis NRCS-1.jpg en Najas flexilis ru Najas flexilis Π Π°ΡΠ΄Π° Π³ΠΈΠ±ΠΊΠ°Ρ http //plants usda gov/java/largeImage imageID nafl_002_ahp tif Robert H Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS 1995 Northeast wetland flora Field office guide to plant species Northeast National Technical Center Chester 1995 PD-USGov Najas flexilis Photographs by Robert H Mohlenbrock |