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Berchtold's pondweed

Potamogeton berchtoldii · Aquatic plants

Berchtold's pondweed: Out of the water

Out of the water · Photo: North Ross / CC0

NativeSubmerged

Also called Slender pondweed

How to identify Berchtold's pondweed

  • Narrow leaves very similar to small pondweed
  • Leaf tips blunt to sharply pointed, 3 veins
  • Short flower spikes with flowers in clusters

Similar plants

Small pondweed is nearly identical; some botanists consider the two one species.

Growth profile

Growing seasonGrows from winter buds in spring, peaks in summer and forms new winter buds before fall.
Starts growingAbout 50 F water
LightPrefers clear water
Depth1 to 10 feet
How it spreadsWinter buds and seeds
HabitatPonds and lakes, often in cooler, clear water.

Why it matters in a lake

Often recorded as small pondweed. Rarely a nuisance.

Where it is found

  • Idaho: Occasional
  • Oregon: Occasional
  • Wyoming: Occasional

Classification

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderAlismatales
FamilyPotamogetonaceae
Scientific namePotamogeton berchtoldii

Need a hand?

Is it taking over your lake?

We identify what is growing, map how much of it there is and build a control plan that targets it without harming the rest of the lake.

Idaho / Wyoming (208) 501-4531Oregon (541) 280-0596