Reed Mannagrass
Other Common Names: great mannagrass, reed sweet-grass
(Glyceria maxima)
Non-Native
Reed mannagrass has light green stems that can be more than eight feet tall. Rough leaves are angled out of the stem and grow nearly two inches wide.
Management Options
Click here for more information on how to control reed mannagrass.
Description
Reed mannagrass has light green stems that can grow up to eight and a half feet tall. Leaf blades are fleshy and usually three-fourths of an inch or more wide. They feel rough to the touch due to stiff hairs along the edges. Leaves are angled out of the stem and have a noticeable midrib. The seed head is open and stands upright.
Reed mannagrass can be confused with American mannagrass (Glyceria grandis) but American mannagrass only grows up to five feet tall, has narrower leaf blades, bent over seed heads, and grows in small, meager stands.
Location
Reed mannagrass can be found in Minnesota, Wisconsin, and Michigan.
Propagation
seeds, rhizomes
Management Options
Click here for more information on how to control reed mannagrass.