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Invasive Species: Water-primrose

The yellow, five-petaled flower of invasive Ludwigia grandifolia.

Invasive Species: Water-primrose

Watch list, detected in Michigan

This species is on Michigan's invasive species watch list and has been detected in Michigan.

Water-primrose photos

The following images can help identify water-primrose. Click on each photo for descriptions.

Common look-alikes

Before reporting invasive water-primrose, review these native ludwigia species that can be mistaken for invasive water primrose. Note that native ludwigia plants have flowers with four petals and/or four sepals. Click on each photo for descriptions.