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Lesser bladderwort

Utricularia minor · Aquatic plants

Lesser bladderwort: Flowers or seeds

Flowers or seeds · Photo: ahabo / CC BY

NativeSubmerged

Also called Small bladderwort

How to identify Lesser bladderwort

  • Small, slender stems with few, short, flat leaf segments
  • Bladders mostly on separate pale stems that creep in the muck
  • Small pale yellow flowers on short stalks

Similar plants

Common bladderwort is much larger with many bladders on green leaves, and flatleaf bladderwort has flat leaves with bristly edges.

Growth profile

Growing seasonGrows from winter buds in late spring, flowers in midsummer, and forms new small winter buds in fall that rest on the bottom.
Starts growingAbout 50 F water
LightNeeds clear shallow water with good light
DepthA few inches to 3 feet
How it spreadsStem fragments, winter buds and seeds
HabitatShallow fens, bog ponds and sheltered lake margins, usually over peat or soft organic mud in cool water.

Why it matters in a lake

Delicate and easily overlooked; usually a sign of clean, low nutrient water. Rarely forms nuisance growth.

Where it is found

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

Classification

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderLamiales
FamilyLentibulariaceae
Scientific nameUtricularia minor

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