Kammförmiges Laichkraut (Potamogeton pectinatus) "Fennel pondweed (Potamogeton pectinatus)" by Jeremy Halls is licensed under CC BY-SA 2.0

Sago pondweed (Potamogeton pectinatus)

Where?

The Sago pondweed can be found in many water types and is indifferent for the waterquality and belong to the flloating leaf water plants. It occurs in oligo- (low nutrient content) as well as in eutrophic, slow flowing or still waters. It grows mostly on humic soils and requires water depths of 20 to 350 cm.

Appearance?

It is a permanently submerged, deciduous, highly branched plant with limp, filamentous leaves that grow up to 3 mm thick.

Special Features?

The plant forms 2-5 cm long spikey flowers from May to September. The waterplant may also be known from the synonym Stuckenia pectinata.

 PotamogetonPectinatus

"Potamogeton pectinatus fruits. Cadoxton Pool, August 1979" by Dr Mary Gillham Archive Project is licensed under CC BY 2.0