Narrow Results by:

Subject Specific Filters:

All Subject Filters are in use

Image Specific Filters:

  1. Descriptor:           (show all)

    Infestation (122)
    Plant(s) (56)
    Flower(s) (29)
    Feature(s) (23)
    Foliage (13)

  1. Commodity:         

    Weeds (258)
    Understory and Rangeland Plants (44)
    Rice (4)

Image Setting:

Field (268)
Laboratory (18)

  1. View:                     

    Close-up (2)

Person in Image:

Yes (3)

Sizes Available:

5 sizes(304)
4 sizes(2)

Orientation:

Landscape (163)
Portrait (143)

Chris Evans's Images

Title: Invasive Species Campaign Coordinator
Organization: River to River CWMA
Unit: Invasive Species Campaign
Country: United States
Web: http://www.illinoisinvasives.org

Chris Evans is the coordinator of Illinois Wildlife Action Plan, Invasive Species Campaign.  through this position, Chris works on all taxa of invasive species throughout Illinois.  Before working as ISC coordinator, Chris was coordinator of the River to River Cooperative Weed Management Area, a multi-agency partnership to manage invasive plants in Southern Illinois. Chris has a Bachelor’s Degree in Wildlife Biology from Murray State University and a Master’s Degree in Forest Biology from Iowa State University.
Remove Filters: Cyperales(X)
306 Images of 22 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
1380055 cogongrass Imperata cylindrica Pointed rhizomes
1380063 cogongrass Imperata cylindrica Segmented rhizomes with outer covering intact (bottom) and removed (top)
2120070 cogongrass Imperata cylindrica
1380061 cogongrass Imperata cylindrica Segmented rhizome
1380062 cogongrass Imperata cylindrica Segmented rhizome with outer covering intact (bottom) and removed (top)
1380054 cogongrass Imperata cylindrica Rhizomes
1380057 cogongrass Imperata cylindrica Pointed rhizome
1380058 cogongrass Imperata cylindrica Pointed rhizomes
2120069 cogongrass Imperata cylindrica Rhizomes
2120072 cogongrass Imperata cylindrica Rhizomes
2120073 cogongrass Imperata cylindrica Rhizomes
2149092 johnsongrass Sorghum halepense Ligule
1334111 giant reed Arundo donax Clasping leaf base.
2152032 vaseygrass Paspalum urvillei Roots
2120074 cogongrass Imperata cylindrica Rhizomes
5476924 Japanese stiltgrass Microstegium vimineum
5476925 Japanese stiltgrass Microstegium vimineum
5476926 Japanese stiltgrass Microstegium vimineum
5476726 eastern bottlebrush grass Elymus hystrix
5443974 Indian woodoats Chasmanthium latifolium
5476883 Japanese stiltgrass Microstegium vimineum Along creek
5476884 Japanese stiltgrass Microstegium vimineum Along creek
5476757 Japanese stiltgrass Microstegium vimineum
5476881 Japanese stiltgrass Microstegium vimineum
5476882 Japanese stiltgrass Microstegium vimineum Along trail
5476878 Japanese stiltgrass Microstegium vimineum
5476879 Japanese stiltgrass Microstegium vimineum
5476880 Japanese stiltgrass Microstegium vimineum
5476875 Japanese stiltgrass Microstegium vimineum
5476876 Japanese stiltgrass Microstegium vimineum
5476877 Japanese stiltgrass Microstegium vimineum
5476872 Japanese stiltgrass Microstegium vimineum
5476873 Japanese stiltgrass Microstegium vimineum
5476874 Japanese stiltgrass Microstegium vimineum
5476871 Japanese stiltgrass Microstegium vimineum
5476870 Japanese stiltgrass Microstegium vimineum
5476868 Indian woodoats Chasmanthium latifolium
5476869 Indian woodoats Chasmanthium latifolium
5476763 eastern gamagrass Tripsacum dactyloides
5476764 eastern gamagrass Tripsacum dactyloides
5476765 eastern gamagrass Tripsacum dactyloides
5476756 giant foxtail Setaria faberi
5476640 common reed Phragmites australis
5476641 common reed Phragmites australis
5476853 nimblewill Muhlenbergia schreberi
5476854 nimblewill Muhlenbergia schreberi
5476855 nimblewill Muhlenbergia schreberi
5476852 nimblewill Muhlenbergia schreberi
5476846 whitegrass Leersia virginica
5476843 whitegrass Leersia virginica
5476844 whitegrass Leersia virginica
5476845 whitegrass Leersia virginica
5476841 whitegrass Leersia virginica
5476842 whitegrass Leersia virginica
5476610 eastern bottlebrush grass Elymus hystrix
5476608 eastern bottlebrush grass Elymus hystrix
5476609 eastern bottlebrush grass Elymus hystrix
5476727 eastern bottlebrush grass Elymus hystrix
5474649 whitegrass Leersia virginica
5474650 whitegrass Leersia virginica
5474651 Japanese stiltgrass Microstegium vimineum Young germinates
5474652 Japanese stiltgrass Microstegium vimineum Young germinate
5474653 nimblewill Muhlenbergia schreberi
5474654 nimblewill Muhlenbergia schreberi
5474655 nimblewill Muhlenbergia schreberi
5474656 nimblewill Muhlenbergia schreberi
5474659 Japanese stiltgrass Microstegium vimineum Growing along a path
5474660 Japanese stiltgrass Microstegium vimineum
5474657 Japanese stiltgrass Microstegium vimineum
5474658 Japanese stiltgrass Microstegium vimineum
2152031 vaseygrass Paspalum urvillei Roots
2149093 johnsongrass Sorghum halepense Stem
2149087 johnsongrass Sorghum halepense Ligule
2149095 johnsongrass Sorghum halepense Stem
2152030 vaseygrass Paspalum urvillei Roots
2132002 cogongrass Imperata cylindrica
2149014 rice Oryza sativa
2149015 rice Oryza sativa
2149016 rice Oryza sativa
2149017 rice Oryza sativa
2149076 cheatgrass Bromus tectorum
2152027 vaseygrass Paspalum urvillei
2149098 medusahead Taeniatherum caput-medusae
2149099 medusahead Taeniatherum caput-medusae
2149097 medusahead Taeniatherum caput-medusae
2149094 johnsongrass Sorghum halepense
2152023 vaseygrass Paspalum urvillei
1334099 cogongrass Imperata cylindrica Bainbridge, GA
1334094 cogongrass Imperata cylindrica Bainbridge, GA
1334122 cogongrass Imperata cylindrica In planted pines. Mitchell County, GA
2149088 johnsongrass Sorghum halepense
2149089 johnsongrass Sorghum halepense
1334118 cogongrass Imperata cylindrica In planted pines. Mitchell County, GA
2152007 tussock paspalum Paspalum quadrifarium
1342104 Chinese silvergrass Miscanthus sinensis
1334157 smooth brome Bromus inermis An infested road-side ditch. Iowa
1334001 big bluestem Andropogon gerardii Flower/seed head South Dakota
1342060 Japanese stiltgrass Microstegium vimineum Along road.
2152009 tussock paspalum Paspalum quadrifarium
1334112 giant reed Arundo donax Large flower/seed head (1-3 feet in length).
2149073 cheatgrass Bromus tectorum
1334114 giant reed Arundo donax Shown with pen for size comparison.
2152017 tussock paspalum Paspalum quadrifarium
1342102 Chinese silvergrass Miscanthus sinensis
1334153 reed canarygrass Phalaris arundinacea The darker colored patch of grass in the low area of this pasture is all reed canarygrass.
1346079 Chinese silvergrass Miscanthus sinensis
2186089 cogongrass Imperata cylindrica
2186088 cogongrass Imperata cylindrica Plant Base
2152015 tussock paspalum Paspalum quadrifarium
1334120 cogongrass Imperata cylindrica The whitish midribs are often off-center.
5427153 Japanese stiltgrass Microstegium vimineum
5427154 Japanese stiltgrass Microstegium vimineum
5427155 Japanese stiltgrass Microstegium vimineum
5427156 Japanese stiltgrass Microstegium vimineum
5427157 Japanese stiltgrass Microstegium vimineum
5427158 Japanese stiltgrass Microstegium vimineum
5427159 Japanese stiltgrass Microstegium vimineum
5427160 Japanese stiltgrass Microstegium vimineum
5427161 Japanese stiltgrass Microstegium vimineum
5427162 Japanese stiltgrass Microstegium vimineum
5427152 Japanese stiltgrass Microstegium vimineum
1334146 reed canarygrass Phalaris arundinacea
2152016 tussock paspalum Paspalum quadrifarium
1334152 reed canarygrass Phalaris arundinacea Along a campground.
1334127 green foxtail Setaria viridis Along roadside
1334117 cogongrass Imperata cylindrica In planted pines.
2149062 cheatgrass Bromus tectorum
2149085 johnsongrass Sorghum halepense
2149069 cheatgrass Bromus tectorum
2149064 cheatgrass Bromus tectorum
1119114 cogongrass Imperata cylindrica In Winter
1334116 cogongrass Imperata cylindrica In planted pines.
1334128 green foxtail Setaria viridis Along roadside,
1346078 Chinese silvergrass Miscanthus sinensis
1346077 Chinese silvergrass Miscanthus sinensis
1346075 Chinese silvergrass Miscanthus sinensis
1268029 Japanese stiltgrass Microstegium vimineum
2149065 cheatgrass Bromus tectorum
2149075 cheatgrass Bromus tectorum
1346074 Chinese silvergrass Miscanthus sinensis
2149084 johnsongrass Sorghum halepense
2149067 cheatgrass Bromus tectorum
2149066 cheatgrass Bromus tectorum
2149086 johnsongrass Sorghum halepense Plant base
1342011 Japanese stiltgrass Microstegium vimineum Along driveway.
2149070 cheatgrass Bromus tectorum
1334148 reed canarygrass Phalaris arundinacea A common invasive in potholes, wet praries and pastures.
2149063 cheatgrass Bromus tectorum
2149041 Japanese stiltgrass Microstegium vimineum
2149074 cheatgrass Bromus tectorum
2149083 johnsongrass Sorghum halepense
2149071 cheatgrass Bromus tectorum
1342103 Chinese silvergrass Miscanthus sinensis
5125041 cogongrass Imperata cylindrica
2152042 vaseygrass Paspalum urvillei Ligule
2152043 vaseygrass Paspalum urvillei Ligule
2152029 vaseygrass Paspalum urvillei
2152010 tussock paspalum Paspalum quadrifarium
2152014 tussock paspalum Paspalum quadrifarium
2152011 tussock paspalum Paspalum quadrifarium
2152035 vaseygrass Paspalum urvillei
2152013 tussock paspalum Paspalum quadrifarium
2188071 cogongrass Imperata cylindrica
2188072 cogongrass Imperata cylindrica
2189006 giant reed Arundo donax
2189004 giant reed Arundo donax
2149042 Japanese stiltgrass Microstegium vimineum
2149081 cheatgrass Bromus tectorum
2149082 cheatgrass Bromus tectorum
2149068 cheatgrass Bromus tectorum
2152028 vaseygrass Paspalum urvillei Lower stem
2149072 cheatgrass Bromus tectorum
2152045 vaseygrass Paspalum urvillei
5125040 cogongrass Imperata cylindrica
2149079 cheatgrass Bromus tectorum
2152044 vaseygrass Paspalum urvillei
2149077 cheatgrass Bromus tectorum
5125042 cogongrass Imperata cylindrica
2149078 cheatgrass Bromus tectorum
2189005 giant reed Arundo donax
2152036 vaseygrass Paspalum urvillei
2152018 tussock paspalum Paspalum quadrifarium
2152012 tussock paspalum Paspalum quadrifarium
2131097 cogongrass Imperata cylindrica
5427149 Japanese stiltgrass Microstegium vimineum dormant
5427150 Japanese stiltgrass Microstegium vimineum dormant
5427151 Japanese stiltgrass Microstegium vimineum dormant
5427147 Japanese stiltgrass Microstegium vimineum dormant
5427148 Japanese stiltgrass Microstegium vimineum dormant
5427144 Japanese stiltgrass Microstegium vimineum dormant
5427145 Japanese stiltgrass Microstegium vimineum dormant
5427146 Japanese stiltgrass Microstegium vimineum dormant
5427141 Japanese stiltgrass Microstegium vimineum dormant
5427142 Japanese stiltgrass Microstegium vimineum dormant
5427143 Japanese stiltgrass Microstegium vimineum dormant
5427139 Japanese stiltgrass Microstegium vimineum dormant
5427140 Japanese stiltgrass Microstegium vimineum dormant
5427136 Japanese stiltgrass Microstegium vimineum dormant
5427137 Japanese stiltgrass Microstegium vimineum dormant
5427138 Japanese stiltgrass Microstegium vimineum dormant
5427134 Japanese stiltgrass Microstegium vimineum dormant
5427135 Japanese stiltgrass Microstegium vimineum dormant
5427132 Japanese stiltgrass Microstegium vimineum dormant
5427133 Japanese stiltgrass Microstegium vimineum dormant
5427128 Japanese stiltgrass Microstegium vimineum dormant
5427129 Japanese stiltgrass Microstegium vimineum dormant
5427130 Japanese stiltgrass Microstegium vimineum dormant
5427131 Japanese stiltgrass Microstegium vimineum dormant
5427126 Japanese stiltgrass Microstegium vimineum dormant
5427127 Japanese stiltgrass Microstegium vimineum dormant
5427124 Japanese stiltgrass Microstegium vimineum burning
5427125 Japanese stiltgrass Microstegium vimineum burning
1342012 Japanese stiltgrass Microstegium vimineum Previously mown.
2149040 Japanese stiltgrass Microstegium vimineum
1342056 Japanese stiltgrass Microstegium vimineum
1334147 reed canarygrass Phalaris arundinacea
1342061 Japanese stiltgrass Microstegium vimineum Along road.
1268020 Japanese stiltgrass Microstegium vimineum Frequently can be found in wet ditches next to shaded roads.
2152037 vaseygrass Paspalum urvillei
2152008 tussock paspalum Paspalum quadrifarium
2125085 giant reed Arundo donax Stand growing back after being bulldozed
2125084 giant reed Arundo donax Stand growing back after being bulldozed
1119113 cogongrass Imperata cylindrica In Winter
1334151 reed canarygrass Phalaris arundinacea
1119112 cogongrass Imperata cylindrica In Winter
2149080 cheatgrass Bromus tectorum
2120071 cogongrass Imperata cylindrica
2119023 Japanese stiltgrass Microstegium vimineum
5302012 cogongrass Imperata cylindrica
1334149 reed canarygrass Phalaris arundinacea In a road-side ditch.
1342062 Japanese stiltgrass Microstegium vimineum Along road.
1334102 cogongrass Imperata cylindrica glyphosate mixture.
2119020 Japanese stiltgrass Microstegium vimineum
1342063 Japanese stiltgrass Microstegium vimineum Spreading alondside a small stream.
2119021 Japanese stiltgrass Microstegium vimineum
2119022 Japanese stiltgrass Microstegium vimineum
2119019 Japanese stiltgrass Microstegium vimineum
1380174 golden bamboo Phyllostachys aurea Roadside
1380173 golden bamboo Phyllostachys aurea
1334150 reed canarygrass Phalaris arundinacea
1380059 cogongrass Imperata cylindrica Ligule
5427568 johnsongrass Sorghum halepense
5427569 johnsongrass Sorghum halepense
5427570 johnsongrass Sorghum halepense
5427571 johnsongrass Sorghum halepense
5427572 johnsongrass Sorghum halepense
5427573 johnsongrass Sorghum halepense
1119111 cogongrass Imperata cylindrica In Winter
1380053 cogongrass Imperata cylindrica
1380051 cogongrass Imperata cylindrica
1380052 cogongrass Imperata cylindrica
1380041 cogongrass Imperata cylindrica
1380040 cogongrass Imperata cylindrica
1380036 cogongrass Imperata cylindrica
1380038 cogongrass Imperata cylindrica
1380050 cogongrass Imperata cylindrica
1380048 cogongrass Imperata cylindrica
1380037 cogongrass Imperata cylindrica
1380044 cogongrass Imperata cylindrica
1380049 cogongrass Imperata cylindrica
1380045 cogongrass Imperata cylindrica
1380056 cogongrass Imperata cylindrica Collar region
1380060 cogongrass Imperata cylindrica Collar region
1380039 cogongrass Imperata cylindrica
1380042 cogongrass Imperata cylindrica
1380035 cogongrass Imperata cylindrica
1380046 cogongrass Imperata cylindrica
1380047 cogongrass Imperata cylindrica
1380043 cogongrass Imperata cylindrica
1380034 cogongrass Imperata cylindrica
1346073 Chinese silvergrass Miscanthus sinensis
1378046 Japanese stiltgrass Microstegium vimineum
1378047 Japanese stiltgrass Microstegium vimineum
1378045 Japanese stiltgrass Microstegium vimineum
1378042 Japanese stiltgrass Microstegium vimineum
1378043 Japanese stiltgrass Microstegium vimineum
1378044 Japanese stiltgrass Microstegium vimineum
1378038 Japanese stiltgrass Microstegium vimineum
1378039 Japanese stiltgrass Microstegium vimineum
1378041 Japanese stiltgrass Microstegium vimineum
1342010 Japanese stiltgrass Microstegium vimineum Beginning of winter senescence, showing the browning of the tops of the plants.
5377546 Japanese stiltgrass Microstegium vimineum
5377544 Japanese stiltgrass Microstegium vimineum
5377545 Japanese stiltgrass Microstegium vimineum
1346076 Chinese silvergrass Miscanthus sinensis
5302013 cogongrass Imperata cylindrica
1334104 cogongrass Imperata cylindrica glyphosate mixture. Bainbridge, GA
2152038 vaseygrass Paspalum urvillei Leaf collar region
2152040 vaseygrass Paspalum urvillei Ligule
2152041 vaseygrass Paspalum urvillei Ligule
2152022 vaseygrass Paspalum urvillei Roots
2152033 vaseygrass Paspalum urvillei Leaf collar region
2152024 vaseygrass Paspalum urvillei Ligule
2152025 vaseygrass Paspalum urvillei Plant base
2152026 vaseygrass Paspalum urvillei Plant base
2149090 johnsongrass Sorghum halepense Plant base
2149091 johnsongrass Sorghum halepense Plant base
2149096 johnsongrass Sorghum halepense Ligule
2132003 cogongrass Imperata cylindrica Burnt to remove thatch layer
2132004 cogongrass Imperata cylindrica Burnt to remove thatch layer
2132005 cogongrass Imperata cylindrica Burnt to remove thatch layer
2132006 cogongrass Imperata cylindrica After a prescribed fire to remove thatch layer
2131096 cogongrass Imperata cylindrica Prescribed fire to reduce thatch.
1334119 cogongrass Imperata cylindrica Off-center midrib. Mitchell County, GA
1334109 giant reed Arundo donax Clasping leaf bases. Tift County, GA
1334110 giant reed Arundo donax Clasping leaf bases. Tift County, GA

Page: