marsh cress
Quick Summary
Marsh cress, also known as yellow cress, belongs to the genus Rorippa within the mustard family (Brassicaceae). These plants are typically found in the Northern Hemisphere, favoring marshes and other wet environments, and are characterized by small, four-petaled yellow or white flowers.2
The marsh cress (Rorippa palustris) is an annual plant that has spread globally into marshy areas. It is sometimes considered a troublesome weed but its leaves can be used in salads or as a potherb. Some species within the Rorippa genus, like great yellow cress and creeping yellow cress, are recognized as invasive species in North America.12
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