Phragmites australis

common reed, phragmites
Family

Poaceae

Leaf Arrangement

alternate

Leaf Attachment

sheathing

Leaf Margin

entire

Leaf Type

simple

Leaf Shape

linear

Growth Form

forb, shrub, graminoid

Flower Color

inconspicuous

Flower Month

June - October

Height (meters)

1.3 - 4.3

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

introduced, native

Lifespan

perennial


Wetland Class

FACW

Wetland Coefficient of Conservatism

9

Field Characters

Stems woody, bamboo like, leaf blades alternate along top half of stem, sheath smooth. Leaves 2 inches wide (one of only 12 grasses in eastern US with this trait). Stem beneath leaf is purple = native variety, if green = non-native variety. Similar to Spartina cynosuroides which has numerous spikes in inflorescence.

Animal Use

Provides fair to good forage and good nesting habitat for mottled ducks; cannot withstand heavy grazing.

Habitat

Fresh and alkaline marshes, pond margins, ditches, swamps, wet shores, tolerant of salt, streams, and lake borders.

Plant Uses

Good for shoreline stabilization.