(Translated by https://www.hiragana.jp/)
guineagrass: Megathyrsus maximus (Cyperales: Poaceae): Invasive Plant Atlas of the United States

guineagrass
U.S. Nativity: Exotic
Habit: Grass or Grasslike
Megathyrsus maximus (Jacq.) R. Webster

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Taxonomic Rank: Liliopsida: Cyperales: Poaceae

Identification, Biology, Control and Management Resources

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s); Habit
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); Feral form
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); Habit
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Dan Clark, USDI National Park Service, Bugwood.org
Additional Resolutions & Image Usage

Foliage; Voucher 060406 21
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Voucher 060406 21
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Stem(s); Voucher 060406 21
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); Inflorescences with smut
Forest and Kim Starr, Starr Environmental, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State List
This map identifies those states that list this species on their invasive species list or law.


Invasive Listing Sources:
Florida Exotic Pest Plant Council
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
WeedUS - Database of Plants Invading Natural Areas in the United States