I have stated that fresh-water fish eat some kinds of seeds, though they reject many other kinds after having swallowed them; even small fish swallow seeds of moderate size, as of the yellow water-lily and Potamogeton
It is nowhere muddy, and a casual observer would say that there were no weeds at all in it; and of noticeable plants, except in the little meadows recently overflowed, which do not properly belong to it, a closer scrutiny does not detect a flag nor a bulrush, nor even a lily, yellow or white, but only a few small heart-leaves and potamogetons
, and perhaps a water-target or two; all which however a bather might not perceive; and these plants are clean and bright like the element they grow in.
Thousands of waterbirds, mainly Fulica ardesiaca, congregate well offshore of the totora zone where the water is still shallow enough to sustain submergent edible weeds such as Lenina gibba, Ranunculus trichophyllus, Potamogeton
pectinatus, and Chara (Characeae).
Ecological variation between marginal and central populations of Potamogeton
polygonifolius, a rare and endangered species in Central Europe.
Holmgren (1962) collected six submerged vascular species, Potamogeton
pectinatus, Zannichellia palustris, Ranunculus gmelinii, and Nasturtium officinale, as well as the macro-algae Cladophora and Chara.
1 Undetermined nutshell fragments 8 Paddy field and wetland weeds Potamogeton
Using of Natural products and Biological Features for Potamogeton
Species Taxonomy Growing in the Tigris River within Mosul City.
The use by red imported fire ants, Solenopsis Invicta (Hymenopgefa: Formicidae), of Potamogeton
Nodosus (Potamogetonaceae) leaves as platforms into the littoral zone in Texas, U.
X POTAMOGETONACEAE (Pondweed Family) Potamogeton
One of the ephemeral ponds has abundant Potamogeton
diversifolius, and is lined by Trachelospemum difforme.
However, only 2 species of macrophytes (Ceratophyllum demersum, Myriophyllum spicatum and Potamogeton
Conventional and isotopic determinations of shorebird diets at an inland stopover: the importance of invertebrates and Potamogeton