Johnsongrass, Invasive Plants of the Eastern United States

Johnsongrass

Liliopsida > Cyperales > Poaceae > Sorghum halepense (L.) Pers.

Identification, Biology, Control and Management Resources

Selected Images from www.invasive.org

Number:	0581065
Description:	Showing seed heads
Photographer:	Jil M. Swearingen, USDI National Park Service
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Number:	1624073
Description:	Plants
Photographer:	Charles T. Bryson, USDA ARS
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Number:	1237013
Description:	Close-up in September
Photographer:	David J. Moorhead, The University of Georgia
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Number:	1237019
Description:	Clump of plants in September
Photographer:	David J. Moorhead, The University of Georgia
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Number:	1624081
Description:	Roadside infestation
Photographer:	Bonnie Harper-Lore, Federal Highway Administration
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Number:	2308021
Description:	Large infestation in September
Photographer:	David J. Moorhead, The University of Georgia
Resolutions:	768x512 - PowerPoint/Web
Resolutions:	1536x1024 - Print

Description:	Distribution Map
Source:	USDA NRCS, The PLANTS Database, September, 2003

Invasive and Noxious Weed References

Invasive Exotic Plant Species of Management Concern, USDA Forest Service, Southern Region, May 18, 2001 - http://www.se-eppc.org/fslist.cfm
Arkansas State Plant Board, Regulations on Plant Diseases and Pests, September 1997 - http://www.plantboard.org/plant_pdfs/plantdiseasereg.pdf
Delaware Department of Agriculture. 1982. Rules and Regulations for Noxious Weed Control. Delaware Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=10
Proposed Exotic Pest Plant Species for Georgia, Georgia Exotic Pest Plant Council, August 12, 1999 - http://www.gaeppc.org/exotalk1.html
Bureau of Environmental Programs. 1994. Illinois Noxious Weed Law and Rules. Illinois Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=17
Kentucky Exotic Pest Plant Council. Invasive Exotic Plant List. December 2000. http://www.exoticpestplantcouncil.org/ky/list.htm
Annotated Code of Maryland. 1994. Weed Control. State of Maryland. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=24
Mississippi's 10 Worst Invasive Weeds - http://msucares.com/pubs/misc/m1194.pdf
Revised Statues of Missouri. 1992. Insect Pests and Weeds. Missouri Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=29
Ohio Department of Agriculture. 1997. Noxious Weeds. Ohio Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=39
Pennsylvania Department of Agriculture. 1997. Summary of Plant Protection Regulations. Pennsylvania Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=42
Tennessee Exotic Pest Plant Council. Invasive Exotic Pest Plants in Tennessee. May 2001.
http://www.se-eppc.org/states/TN/TNIList.html
Virginia Department of Agriculture and Consumer Services. 1981. Virginia Noxious Weed Law. Virginia Department of Agriculture and Consumer Services. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=51
Invasive Alien Plant Species of Virginia - http://www.dcr.state.va.us/dnh/invlist.pdf
West Virginia Department of Agriculture. 1997. Regulations Governing the Distribution of Plant Material in West Virginia. West Virginia Department of Agriculture. http://plants.usda.gov/cgi_bin/state_noxious.cgi?statefips=54

Taxonomic Reference

USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
http://plants.usda.gov/cgi_bin/topics.cgi?earl=plant_profile.cgi&symbol=SOHA


					Bargeron, C.T., D.J. Moorhead, G.K. Douce, R.C. Reardon & A.E. Miller (Tech. Coordinators). 2003. Invasive Plants of the Eastern U.S.: Identification and Control. USDA Forest Service - Forest Health Technology Enterprise Team. Morgantown, WV USA. FHTET-2003-08.