Bird's Foot Treefoil

Genus: Lotus

Species: corniculatus

Description: Reaches 15-45 cm (6-18 inch) tall. Leaves are smooth and consist of 5 leaflets. Yellow pea-like flowers bloom from June to October.

Where it grows: Grows along roadside embankments, moist fields, pastures and slopes of drainage ditches.

How it spreads: Spreads through seed distribution.

What it threatens: Often forms dense colonies that displace desirable vegetation.

More information: USDA website

Disclaimer - Clean Water Services does not endorse or recommend specific herbicides for use in controlling these species. To protect water quality, always follow herbicide label directions and obey application laws when using any herbicide.