BugwoodWiki Article

common reed
Phragmites australis (Cavanilles) Trinius ex Steudel

Overview

Appearance
Phragmites australis is a tall, perennial grass that can grow to heights of 15 ft. (4.6 m) or more. Broad, pointed leaves arise from thick, vertical stalks.
Foliage
Leaves are 6-23.6 in. (15-60 cm) long, 0.4-2.4 in. (1-6 cm) wide, flat and glabrous.
Flowers
The flower heads are dense, fluffy, gray or purple in color and 5.9-15.7 in. (15-40 cm) long. Flowering occurs from July to October.
Fruit
The seeds are brown, light weight, and about 0.3 in. (8 mm) long. In the fall the plant turns brown, and the inflorescences persist throughout the winter.
Ecological Threat
Phragmites australis is usually found in dense thickets growing in or near shallow water. These thickets displace native wetlands plants, alter hydrology and block sunlight to the aquatic community. It is native to Eurasia and Africa. Native Phragmites do occur in the United States and they are sometimes very difficult to distinguish from the exotics.

Resources

Selected Images


0002045
0002045

common reed
Phragmites australis
Infestation
Bernd Blossey
0581038
0581038

common reed
Phragmites australis
Plant(s)
Jil Swearingen
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1237064

common reed
Phragmites australis
Seed(s)
Joseph McCauley
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1459446

common reed
Phragmites australis
Feature(s)
Steve Dewey
5273068
5273068

common reed
Phragmites australis
Plant(s)
Leslie J. Mehrhoff
5273070
5273070

common reed
Phragmites australis
Flower(s)
Leslie J. Mehrhoff
5273071
5273071

common reed
Phragmites australis
Feature(s)
Leslie J. Mehrhoff
5273074
5273074

common reed
Phragmites australis
Root(s)
Leslie J. Mehrhoff
5308053
5308053

common reed
Phragmites australis
Plant(s)
USDA PLANTS Database
5308055
5308055

common reed
Phragmites australis
Plant(s)
USDA PLANTS Database
5308056
5308056

common reed
Phragmites australis
Plant(s)
USDA PLANTS Database
5341071
5341071

common reed
Phragmites australis
Infestation
John M. Randall
5341072
5341072

common reed
Phragmites australis
Flower(s)
Mandy Tu

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

State Regulated List
Legend
   No Data for this state
   Troublesome or Common weed in one or more crops

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae
Genus: Phragmites

Other System Links

Plants: PHAU7
Bayer: PHRCO
GRIN: 28091
ITIS: 41072
NPDN Pest: PCACJBA
NPDN Host: 36226

Synonyms and Other Names

Other Common Names:
phragmites

Related Scientific Names:

Phragmites communis (Cav.) Trin. ex Steud.(Synonym)
Phragmites phragmites (Cav.) Trin. ex Steud.(Synonym)

Categories

Category: Grass or Grasslike
Category: Aquatic