Definitions

1. noun

a plant of the genus Ludwigia, especially Ludwigia peploides, that grows in wet or muddy places, especially in North America.

“The hikers had to navigate through the dense mudweed along the lake shore.”

2. noun

a type of aquatic plant that thrives in muddy or polluted water.

“The environmental scientists studied the effects of pollution on the local mudweed population.”