How to Manage Pests

Identification: Weed Photo Gallery

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Knotgrass

Scientific name: Paspalum distichum (Family Poaceae)

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DESCRIPTION:

Knotgrass, a perennial; has decumbent to erect stems and rhizomes or stolons; 6 inches to 2 feet (15 - 60 cm) high; many spikelets, arranged in two rows for a panicle. They are pale green and elliptical. Leaf blade and sheath have hairs. Likes moist places, marshes, irrigation and drainage ditches. It is closely related to dallisgrass.

Grass ID illustration.

Text modified from Elmore, C.L., W.B. McHenry, and D.W. Cudney. 1989. Weed control in large turf areas. Chapter 3 in Turfgrass Pests. UC ANR Publication 4053.

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