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Fact Sheet No. 249, UMaine Extension No. 2202

Prepared by David E. Yarborough and Phoebe Nylund, The University of Maine, Orono, ME 04469.  Replaces March 1989 by Tom DeGomez, David Yarborough and Christopher Campbell. Revised February 2003.

Pointed Broom Sedge, Carex scoparia
Life cycle - Perennial sedge. Reproduces by rootstocks and seed. Flowers from July to September.
Description - Grass like sedge. Stems 1/2′ to 2 1/2′ tall and triangular. Leaves less than 1/8′ wide. Three to ten flower spikes, oblong, narrow at both ends, brownish or straw colored, 1/4″ to 3/4″ long, 1/8″ to 1/4″ in diameter with many flowers.

Pointed-Broom Sedge flower
Figure 1: Pointed-Broom Sedge
Pointed-Broom Sedge
Figure 2: Pointed-Broom Sedge

Three-square Sedge, Scirpus americanus
Life cycle - Perennial sedge. Reproduces by rootstocks and seed. Flowers from June to September.
Description – stems are sharply triangular and 1′ to 4′ tall. One to 3 leaves narrow, tapering to tip and shorter than stem. Flowers 1/4″ to 1″ long and egg shaped, in clusters of 1 to 7. A single, 1 1/2″ to 4″ long slender leaf at base of flower cluster.

Three-Square Sedge
Figure 3: Three-Square Sedge

Quack-grass, Agropyron repens
Life cycle – Perennial grass. Reproduces by seed and running rootstock. Flowers from July to September.
Description – stems 1′ to 4′ tall with sheathes usually shorter than internodes. Leaf blades are 3″ to 12″ long and 1/8″ to 3/8″ wide, smooth beneath and rough above. Ligule very short.

Quack-grass
Figure 4: Quack-grass

Little Bluestem or Bunch Grass, Schizachyrium scoparius or Andropogon scoparius
Life cycle – Perennial grass. Reproduces by seed. Flowers from August to October.
Description – Stems 1 1/2′ to 4 1/2′ tall with smooth sheathes. Leaf blades are 6″ to 1 1/2′ long and 1/8″ to 1/4″ wide. Seed heads 1″ to 2 1/2″ long, loose, with spreading hairs. Awn, is 1/4″ to 1/2″ long, spiral, bent and rough.

Bunch Grass plant
Figure 5: Bunch Grass plant
Bunch Grass flower
Figure 6: Bunch Grass flower

Wild Oat-grass, Danthonia spicata
Life cycle - Perennial grass. Reproduces by seed. Flowers from July to September.
Description - Stems 1′ to 2 1/2′ tall and smooth. Sheathes shorter than the internodes. Leaf blades are rough, 5″ to 8″ long and 1/8″ wide or less. Ligules are very short. Seed heads are 1″ to 2″ long. The bent , spreading awn closely twisted at the base.

Wild Oat-grass
Figure 7: Wild Oat-grass
Wild oat grass
Figure 8: Wild Oat-grass

Information in this publication is provided purely for educational purposes. No responsibility is assumed for any problems associated with the use of products or services mentioned. No endorsement of products or companies is intended, nor is criticism of unnamed products or companies implied.

© 1989, 2003

Published and distributed in furtherance of Cooperative Extension work, Acts of Congress of May 8 and June 30, 1914, by the University of Maine and the U.S. Department of Agriculture cooperating. Cooperative Extension and other agencies of the USDA provide equal opportunities in programs and employment. Call 800.287.0274 or TDD 800.287.8957 (in Maine), or 207.581.3188, for information on publications and program offerings from University of Maine Cooperative Extension, or visit extension.umaine.edu.

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