Reed Canarygrass

Genus: Phalaris

Species: arundinacea

Description: Grass family, upright stems grow to 2 meters (6 ft) tall. Has flat, green leaf blades 2 cm (.8 in) wide, blooms May through June.

Where it grows: Can form dense stands in wetlands, meadows and riparian areas.

How it spreads: Spreads through rhizomes (underground stems) and seeds.

What it threatens: Stands exclude and displace native plants and animals, also constrict waterways.

More information: Nature Conservancy 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.