cogongrass
Imperata cylindrica (L.) Beauv.
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| Taxonomic Rank: Liliopsida > Cyperales > Poaceae > Imperata |
| Common Name Synonym(s): cogon grass, alang-alang |
| Taxonomic Synonym(s): Imperata arundinacea (L.) Beauv. |
| Category: Plants: Grass or Grasslike |
358 Records | View Images as Host | View Thumbnails |
| Image | Descriptor | Description |
|---|---|---|
| 0016150 | Feature(s) | closeup sheath with hairs in September |
| 0016151 | Infestation | dormant phase of roadside infestation in January |
| 0016152 | Feature(s) | plant base and rhizomes in September |
| 0016153 | Feature(s) | Seedheads (whitish plumes) and flower heads in April |
| 0016154 | Plant(s) | whole plants in September |
| 0016199 | Competition | |
| 0016200 | Infestation | under seedling longleaf pine |
| 0016201 | Infestation | |
| 0016206 | deer bedding in dormant grass | |
| 0016207 | Prescribed Fire | Burn in infested stand |
| 0016222 | horses grazing on cogongrass, cogongrass was introduced as a potential forage crop. | |
| 0016223 | horse eating cogongrass, cogongrass was introduced as a potential forage crop | |
| 0016224 | Infestation | along Interstate 65 |
| 0016379 | Prescribed Fire | Infestation in 20-year old pine stand. Fire used to reduce fuel hazard. |
| 0016380 | Infestation | 20-year old infestation in pine stand. |
| 0016381 | Infestation | Herbicide test plots bare in 20-year old stand |
| 0016382 | Control | Herbicide application of glyphosate (Accord) 35 days after treatment. Application in September using 20 gpa. |
| 0908093 | Feature(s) | portion of a leaf blade, showing the off-center midrib and the scabrous leaf margins. |
| 0908094 | Plant(s) | note the flowering plant at the center back |
| 1115001 | Infestation | In the median. |
| 1115002 | Infestation | In the median |
| 1115003 | Feature(s) | "Red Baron" |
| 1115004 | Infestation | Small circular infestation. |
| 1115005 | Plant(s) | |
| 1115006 | Plant(s) | Ornamental planting |
| 1115007 | Plant(s) | Research stand |
| 1115008 | Plant(s) | "Red Baron" variety in a greenhouse |
| 1115009 | Control | Wetblade mower |
| 1115010 | Control | Wetblade mower |
| 1115011 | Infestation | |
| 1115012 | Plant(s) | "Red Baron" ornamental planting |
| 1115013 | Foliage | |
| 1115014 | Plant(s) | "Red Baron" |
| 1115015 | Plant(s) | |
| 1115016 | Plant(s) | "Red Baron" ornamental planting |
| 1115017 | Plant(s) | "Red baron" ornamental planting |
| 1119111 | Infestation | In Winter |
| 1119112 | Infestation | In Winter |
| 1119113 | Infestation | In Winter |
| 1119114 | Infestation | In Winter |
| 1120336 | Feature(s) | Off-center midrib. September. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1120337 | Infestation | May. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1120338 | Plant(s) | September. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1120339 | Feature(s) | Off-center midrib. September. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1120343 | Feature(s) | Overlapping leaf sheaths. September. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society. |
| 1148078 | seedhead | |
| 1148079 | Foliage | new shoot |
| 1148080 | three seedheads | |
| 1148136 | Plant(s) | |
| 1148137 | Control | Art Miller, USDA APHIS PPQ, spraying herbicide |
| 1148138 | Control | wetblade mower |
| 1148139 | Control | wetblade mower |
| 1148140 | Control | wetblade mower |
| 1148141 | Control | wetblade mower |
| 1148142 | Infestation | |
| 1149012 | Plant(s) | |
| 1149013 | Plant(s) | |
| 1149014 | Infestation | |
| 1149023 | Infestation | |
| 1149024 | Infestation | roadside |
| 1151005 | Control | |
| 1197015 | Feature(s) | Dispersal via soil in equipment |
| 1197016 | Wildfire | |
| 1197017 | Wildfire | |
| 1197018 | Wildfire | |
| 1197019 | Wildfire | |
| 1197020 | Feature(s) | Dispersal via soil in equipment |
| 1237046 | Feature(s) | Pointed rhizome |
| 1237047 | Infestation | Large infestation |
| 1237048 | Infestation | Roadside infestation |
| 1237049 | Feature(s) | Seed head |
| 1237050 | Feature(s) | Comparative morphology |
| 1237063 | Plant(s) | Planted "Red Baron" variety |
| 1299003 | Infestation | Cogongrass infestation in Mississippi Pine Plantation. |
| 1299104 | Infestation | |
| 1334094 | Infestation | Bainbridge, GA |
| 1334099 | Infestation | Bainbridge, GA |
| 1334102 | Control | glyphosate mixture. Bainbridge, GA |
| 1334104 | Control | glyphosate mixture. Bainbridge, GA |
| 1334116 | Infestation | In planted pines. Mitchell County, GA |
| 1334117 | Infestation | In planted pines. Mitchell County, GA |
| 1334118 | Infestation | In planted pines. Mitchell County, GA |
| 1334119 | Feature(s) | Off-center midrib. Mitchell County, GA |
| 1334120 | Feature(s) | The whitish midribs are often off-center. Mitchell County, GA |
| 1334122 | Infestation | In planted pines. Mitchell County, GA |
| 1343004 | Feature(s) | Whitish, off-center midrib. Mitchell County, GA |
| 1343005 | Infestation | Infestation within a planted pine stand spreading into the roadside. Mitchell County, GA |
| 1343006 | Infestation | Infestation within a planted pine stand spreading into the roadside. Mitchell County, GA |
| 1343007 | Infestation | Infestation within a planted pine stand spreading into the roadside. Mitchell County, GA |
| 1372004 | Infestation | Winter photo of infestation in planted pine stand. |
| 1372005 | Infestation | Winter photo of infestation in planted pine stand. |
| 1372006 | Infestation | Winter photo of infestation in planted pine stand |
| 1380034 | Seed(s) | |
| 1380035 | Seed(s) | |
| 1380036 | Seed(s) | |
| 1380037 | Infestation | |
| 1380038 | Seed(s) | |
| 1380039 | Infestation | |
| 1380040 | Infestation | |
| 1380041 | Infestation | |
| 1380042 | Infestation | |
| 1380043 | Infestation | |
| 1380044 | Foliage | |
| 1380045 | Infestation | |
| 1380046 | Infestation | |
| 1380047 | Foliage | |
| 1380048 | Foliage | |
| 1380049 | Infestation | |
| 1380050 | Infestation | |
| 1380051 | Infestation | |
| 1380052 | Infestation | |
| 1380053 | Infestation | |
| 1380054 | Feature(s) | Rhizomes |
| 1380055 | Feature(s) | Pointed rhizomes |
| 1380056 | Feature(s) | Collar region |
| 1380057 | Feature(s) | Pointed rhizome |
| 1380058 | Feature(s) | Pointed rhizomes |
| 1380059 | Feature(s) | Ligule |
| 1380060 | Feature(s) | Collar region |
| 1380061 | Feature(s) | Segmented rhizome |
| 1380062 | Feature(s) | Segmented rhizome with outer covering intact (bottom) and removed (top) |
| 1380063 | Feature(s) | Segmented rhizomes with outer covering intact (bottom) and removed (top) |
| 1391140 | Control | Burch wetblade application |
| 1391141 | Control | Burch wetblade application |
| 1391142 | Control | Burch wetblade application |
| 1391420 | Infestation | |
| 1391421 | Infestation | |
| 1391422 | Infestation | |
| 1391423 | Seedling(s) | |
| 1391424 | Research | Control plots |
| 1391425 | Infestation | Right-of-way |
| 1391426 | Infestation | Showing small infestations in flower |
| 1391427 | Control | |
| 1391428 | Feature(s) | Rhizome |
| 1391429 | Infestation | In yard |
| 1391430 | Infestation | In flower beds |
| 1391431 | Infestation | In yard |
| 1391432 | Biological Control | Rhizoctonia disease |
| 1391433 | Biological Control | Rhizoctonia disease |
| 1391434 | Biological Control | Rhizoctonia disease |
| 1391435 | Infestation | In flower |
| 1391436 | Seedling(s) | In with kudzu |
| 1391437 | Research | Control plots |
| 1391438 | Research | Control plots |
| 1391439 | Infestation | Roadside |
| 1391440 | Infestation | Several small infestations in flower |
| 1391441 | Seed(s) | Seeds spreading along road |
| 1391444 | Seed(s) | Caught in barbed wire fence |
| 1391445 | Seed(s) | |
| 1461067 | Infestation | |
| 1461068 | Infestation | |
| 1499034 | Infestation | |
| 1499084 | Infestation | |
| 1624012 | Infestation | A perennial grass introduced into Louisiana in the early 1900s from the Philippines as a potential cattle forage, is becoming a serious weed of row crops and pine plantations in the Gulf Coast Region. |
| 2120069 | Feature(s) | Rhizomes |
| 2120070 | Feature(s) | |
| 2120071 | Plant(s) | |
| 2120072 | Feature(s) | Rhizomes |
| 2120073 | Feature(s) | Rhizomes |
| 2120074 | Feature(s) | Rhizomes |
| 2130072 | Infestation | |
| 2130073 | Infestation | |
| 2130074 | Infestation | |
| 2130075 | Infestation | |
| 2130076 | Infestation | |
| 2131084 | Fruit(s) | |
| 2131085 | Infestation | |
| 2131086 | Infestation | |
| 2131087 | Flower(s) | |
| 2131088 | Flower(s) | |
| 2131089 | Dispersal | Stuck in radiator of tractor |
| 2131090 | Infestation | Small infestation in woods |
| 2131091 | Infestation | Roadside infestation in flower |
| 2131096 | Prescribed Fire | Prescribed fire to reduce thatch. |
| 2131097 | Flower(s) | |
| 2132002 | Infestation | |
| 2132003 | Prescribed Fire | Burnt to remove thatch layer |
| 2132004 | Prescribed Fire | Burnt to remove thatch layer |
| 2132005 | Prescribed Fire | Burnt to remove thatch layer |
| 2132006 | Prescribed Fire | After a prescribed fire to remove thatch layer |
| 2132023 | Plant(s) | |
| 2132029 | Infestation | |
| 2132046 | Infestation | |
| 2132047 | Infestation | |
| 2132048 | Diagram or Graphic | |
| 2132052 | Infestation | |
| 2132087 | Foliage | Showing off-center midrib |
| 2132088 | Feature(s) | Leaf-collar region |
| 2132089 | Feature(s) | Sharp-pointed rhizome |
| 2132090 | Infestation | |
| 2132091 | Flower(s) | |
| 2132092 | Infestation | |
| 2148033 | Infestation | Late March, Central Florida |
| 2148034 | Infestation | Late March, Central Florida |
| 2148035 | Infestation | Mid April, Central Florida |
| 2155034 | Prescribed Fire | |
| 2155035 | Prescribed Fire | |
| 2155036 | Prescribed Fire | |
| 2155052 | Infestation | |
| 2155053 | Infestation | |
| 2155054 | Infestation | |
| 2155055 | Flower(s) | |
| 2155056 | Flower(s) | |
| 2155057 | Control | Deep disking |
| 2155058 | Control | Deep disking |
| 2155059 | Feature(s) | Rhizomes |
| 2155060 | Control | Deep disking |
| 2155061 | Control | Deep disking |
| 2186086 | Feature(s) | Plant Base |
| 2186087 | Flower(s) | |
| 2186088 | Feature(s) | Plant Base |
| 2186089 | Flower(s) | |
| 2188071 | Infestation | |
| 2188072 | Infestation | |
| 2307191 | Feature(s) | September |
| 2307192 | Feature(s) | September |
| 2307193 | Plant(s) | September |
| 2307194 | Plant(s) | January |
| 2307195 | Flower(s) | May |
| 2307196 | Feature(s) | September |
| 2307198 | Infestation | September |
| 2308082 | Feature(s) | Clump of rhizomes. |
| 2308083 | Infestation | Distinctive circular infestations in harvest stand. |
| 2308122 | Feature(s) | |
| 2734037 | Foliage | showing off-center mid-vein |
| 2912046 | Feature(s) | |
| 2912047 | Plant(s) | |
| 2912048 | Feature(s) | |
| 3970057 | Feature(s) | Far left, a partial plant showing stems, leaves, roots and elongating rhizomes. Middle, a stem with leaves. Far right, plume-like inflorescence of many paired flowers |
| 3970058 | Feature(s) | a severe infestation in a longleaf pine upland in central Florida |
| 3970059 | Distribution | general distribution throughout the world depicted by areas of white (based on information from Holm et al., 1997) |
| 3970060 | Distribution | general distribution in the United States depicted by area in red |
| 3970061 | Feature(s) | portion of leaf blade showing off-center midrib and scabrous leaf margins |
| 3970062 | Feature(s) | high levels of disease and damage severity in a mini-plot following treatment with a potential mycoherbicide consisting of a formulation of Bipolaris sacchari fungal spores, an oil emulsion and water. |
| 4064030 | Decatur Co.: near US Hwy 27 bypass, Charter House Inn on East Alice Street, Bainbridge | |
| 4064031 | Decatur Co.: near US Hwy 27 bypass, Charter House Inn on East Alice Street, Bainbridge | |
| 5078025 | Prescribed Fire | Prescribed fire to remove thatch before herbicide application |
| 5125040 | Foliage | |
| 5125041 | Foliage | |
| 5125042 | Plant(s) | |
| 5289098 | Plant(s) | |
| 5289099 | Foliage | |
| 5289100 | Infestation | |
| 5290001 | Infestation | |
| 5302012 | Plant(s) | |
| 5302013 | Plant(s) | |
| 5344082 | Red Baron | |
| 5344084 | Root(s) | |
| 5344085 | Root(s) | |
| 5345041 | Infestation | |
| 5345079 | Infestation | |
| 5345080 | Infestation | |
| 5345082 | Plant(s) | |
| 5362525 | Infestation | Infestation approximately 1/2 acre in size. |
| 5362526 | Plant(s) | |
| 5362527 | Infestation | Burn marks on trees from extreme heat produced by flames fueled by cogongrass. |
| 5362528 | Root(s) | Rhizome |
| 5368020 | Infestation | after being sprayed with glyphosate |
| 5368021 | Plant(s) | after being sprayed with glyphosate |
| 5368022 | Plant(s) | after being sprayed with glyphosate |
| 5368023 | Plant(s) | after being sprayed with glyphosate |
| 5368024 | Infestation | after being sprayed with glyphosate |
| 5368025 | Infestation | after being sprayed with glyphosate |
| 5368026 | Infestation | 5 months after being sprayed with glyphosate |
| 5368028 | Root(s) | |
| 5368029 | Root(s) | 5 months after plants were sprayed with glyphosate |
| 5368030 | Root(s) | 5 months after plants were sprayed with glyphosate |
| 5371419 | Plant(s) | Resprout after treatment with glyphosate. |
| 5371421 | Control | spraying with glyphosate. |
| 5371422 | Control | spraying with glyphosate |
| 5371426 | Control | after being sprayed with glyphosate. |
| 5371427 | Control | infestation after 3 years of treatment with glyphosate. |
| 5371428 | Control | Previously infested field after three years of treatment with glyphosate. |
| 5371430 | Plant(s) | Immediately after being sprayed with glyphosate. |
| 5371431 | Control | Same area as this image after 3 years of treatment with glyphosate. |
| 5371432 | Control | Same field as this image after three years of treatment with glyphosate. |
| 5371433 | Control | same area as this image after three years of treatment of glyphosate. |
| 5371434 | Plant(s) | After glyphosate treatment |
| 5371435 | Control | Resprouting after treatment with glyphosate. |
| 5371436 | Control | resprouting aftet treatment with glyphosate. |
| 5389532 | Field | |
| 5389533 | Root(s) | |
| 5389534 | Root(s) | |
| 5389535 | Root(s) | |
| 5389623 | Root(s) | |
| 5392223 | Infestation | Infestation in slash pine |
| 5392224 | Infestation | |
| 5392225 | Infestation | Infestation in slash pine |
| 5403036 | Seed(s) | |
| 5405111 | Infestation | Echols County |
| 5405112 | Infestation | Echols County |
| 5405113 | Infestation | Echols County |
| 5405114 | Demonstration | Echols County |
| 5405115 | Demonstration | Echols County |
| 5405116 | Infestation | Echols County |
| 5405117 | Infestation | Echols County |
| 5405118 | Infestation | Echols County |
| 5405119 | Infestation | |
| 5405120 | Inspection | Echols County |
| 5405123 | Root(s) | Echols County |
| 5405124 | Root(s) | Echols County |
| 5405125 | Root(s) | Echols County |
| 5405126 | Root(s) | Echols County |
| 5405127 | Demonstration | Echols County; Joseph LaForest demonstrating |
| 5405128 | Demonstration | Echols County; Joseph LaForest demonstrating |
| 5405129 | Infestation | Echols County |
| 5405130 | Inspection | Echols County |
| 5405131 | Plant(s) | Echols County |
| 5405132 | Infestation | Echols County |
| 5405133 | Infestation | Echols County |
| 5405134 | Infestation | Echols County |
| 5405135 | Infestation | Echols County |
| 5405136 | Inspection | Echols County |
| 5405137 | Infestation | Echols County |
| 5405138 | Infestation | Echols County |
| 5405139 | Inspection | Echols County |
| 5405140 | Inspection | Echols County |
| 5405141 | Inspection | Echols County |
| 5405142 | Inspection | Echols County |
| 5405143 | Demonstration | Echols County; sharp rhizomes |
| 5405144 | Demonstration | Echols County; Dr. David Moorhead demonstrating |
| 5405145 | Demonstration | Echols County |
| 5405146 | Demonstration | Echols County; blades have sharp edges |
| 5405147 | Demonstration | Echols County: Dr. David Moorhead demonstrating |
| 5405148 | Feature(s) | Echols County; white off center midrib on leaf |
| 5405149 | Feature(s) | Echols County; white off center midrib of leaf |
| 5405150 | Infestation | Echols County |
| 5405151 | Infestation | Echols County |
| 5405152 | Inspection | Echols County |
| 5405153 | Inspection | Echols County |
| 5405154 | Inspection | Echols County |
| 5405156 | Demonstration | Echols County; Dr. David Moorhead demonstrating |
| 5405158 | Infestation | Echols County |
| 5405159 | Infestation | Echols County; Infestation spread by road grading equipment |
| 5405160 | Infestation | Echols County |
| 5405161 | Inspection | Echols County |
| 5405162 | Inspection | Echols County |
| 5405163 | Inspection | |
| 5405164 | Demonstration | Echols County |
| 5405165 | Inspection | |
| 5405166 | Inspection | |
| 5405167 | Infestation | Echols County |
| 5405168 | Infestation | |
| 5405169 | Infestation | |
| 5405170 | Infestation | |
| 5405171 | Infestation | |
| 5405172 | Infestation | |
| 5405173 | Infestation | |
| 5405174 | Infestation | |
| 5405175 | Infestation | |
| 5405176 | Infestation | |
| 5405177 | Infestation | |
| 5405178 | Infestation | |
| 5405179 | Infestation | |
| 5405180 | Infestation | |
| 5405181 | Infestation | |
| 9005065 | Infestation | in September |
| 9005066 | Plant(s) | upright in September |
