| Image |
Descriptor |
Description |
Photographer |
| 1299122 |
Control |
Ropewick applicator |
Charles T. Bryson |
| 5307057 |
Diagram or Graphic |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 121. |
USDA PLANTS Database |
| 5309001 |
Diagram or Graphic |
Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC. |
USDA PLANTS Database |
| 2149095 |
Feature(s) |
Stem |
Chris Evans |
| 2149096 |
Feature(s) |
Ligule |
Chris Evans |
| 1120384 |
Feature(s) |
Ligule. 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. |
Ted Bodner |
| 1459237 |
Feature(s) |
Roots |
Steve Dewey |
| 1459239 |
Feature(s) |
Ligule |
Steve Dewey |
| 1459240 |
Feature(s) |
Roots |
Steve Dewey |
| 1459242 |
Feature(s) |
Rhizomes |
Steve Dewey |
| 1459244 |
Feature(s) |
Leaf collar region |
Steve Dewey |
| 1459246 |
Feature(s) |
|
Steve Dewey |
| 1550053 |
Feature(s) |
leaf attachment |
Ohio State Weed Lab Archive |
| 1551074 |
Feature(s) |
|
Ohio State Weed Lab Archive |
| 1556481 |
Feature(s) |
ligule |
John Cardina |
| 1556482 |
Feature(s) |
ligule |
Theodore Webster |
| 1556483 |
Feature(s) |
single white stripe along mid-rib of leaf |
Ohio State Weed Lab Archive |
| 1556500 |
Feature(s) |
leaf axil and single white stripe along mid-rib of leaf |
Ohio State Weed Lab Archive |
| 1556501 |
Feature(s) |
|
Ohio State Weed Lab Archive |
| 1556507 |
Feature(s) |
single white stripe on mid-rib of leaf |
Ohio State Weed Lab Archive |
| 2149083 |
Feature(s) |
Stem |
Chris Evans |
| 2149084 |
Feature(s) |
Roots |
Chris Evans |
| 2149085 |
Feature(s) |
Roots |
Chris Evans |
| 2149086 |
Feature(s) |
Plant base |
Chris Evans |
| 2149087 |
Feature(s) |
Ligule |
Chris Evans |
| 2149090 |
Feature(s) |
Plant base |
Chris Evans |
| 2149091 |
Feature(s) |
Plant base |
Chris Evans |
| 2149092 |
Feature(s) |
Ligule |
Chris Evans |
| 2149093 |
Feature(s) |
Stem |
Chris Evans |
| 1391333 |
Field |
|
John D. Byrd |
| 1392225 |
Flower(s) |
|
Charles T. Bryson |
| 0581065 |
Flower(s) |
|
Jil M. Swearingen |
| 1120383 |
Flower(s) |
July. 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. |
James H. Miller |
| 1550052 |
Flower(s) |
|
Ohio State Weed Lab Archive |
| 1551073 |
Flower(s) |
|
Ohio State Weed Lab Archive |
| 1556487 |
Flower(s) |
|
Ohio State Weed Lab Archive |
| 1556489 |
Flower(s) |
|
Ohio State Weed Lab Archive |
| 1556496 |
Flower(s) |
|
Ohio State Weed Lab Archive |
| 5160059 |
Flower(s) |
seed head |
Forest & Kim Starr |
| 5160060 |
Flower(s) |
seed heads |
Forest & Kim Starr |
| 5361787 |
Flower(s) |
Close-up view of the flower head of johnsongrass (Sorghum halepense) emerging from the boot. Plant is growing in a field of dry beans. |
Howard F. Schwartz |
| 5386300 |
Flower(s) |
inflorescence. |
Joseph M. DiTomaso |
| 5386301 |
Flower(s) |
inflorescence with a fungus. |
Joseph M. DiTomaso |
| 5391774 |
Flower(s) |
|
Barry Rice |
| 5391775 |
Flower(s) |
|
Barry Rice |
| 5391776 |
Flower(s) |
|
Barry Rice |
| 5403108 |
Flower(s) |
|
Rebekah D. Wallace |
| 5403230 |
Foliage |
|
Karan A. Rawlins |
| 1556480 |
Foliage |
showing leaf axil and single white stripe on center of leaf |
Ohio State Weed Lab Archive |
| 2149094 |
Foliage |
|
Chris Evans |
| 1551075 |
Foliage |
|
Ohio State Weed Lab Archive |
| 1120382 |
Foliage |
June. 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. |
Ted Bodner |
| 1459233 |
Fruit(s) |
|
Steve Dewey |
| 1195034 |
Fruit(s) |
Ventral view of spikelets with pedicel and rachis segment |
Julia Scher |
| 1556471 |
Fruit(s) |
|
John Cardina |
| 1556472 |
Fruit(s) |
|
Ohio State Weed Lab Archive |
| 1556473 |
Fruit(s) |
|
Ohio State Weed Lab Archive |
| 1459245 |
Fruit(s) |
|
Steve Dewey |
| 5246046 |
Fruit(s) |
|
Richard Old |
| 5376838 |
Fruit(s) |
|
Julia Scher |
| 5376839 |
Fruit(s) |
|
Julia Scher |
| 5376840 |
Fruit(s) |
|
Julia Scher |
| 5376841 |
Fruit(s) |
Spikelets with apices broken off |
Julia Scher |
| 5376842 |
Fruit(s) |
|
Julia Scher |
| 5376843 |
Fruit(s) |
side view |
Julia Scher |
| 5309002 |
Fruit(s) |
|
Steve Hurst |
| 2155066 |
Infestation |
|
John D. Byrd |
| 2308021 |
Infestation |
Large infestation in September |
David J. Moorhead |
| 5379565 |
Infestation |
July |
James H. Miller |
| 5362349 |
Infestation |
A drybean field with johnson grass (Sorghum halepense) infestation. |
Howard F. Schwartz |
| 5362350 |
Infestation |
A drybean field with johnson grass (Sorghum halepense) infestation. |
Howard F. Schwartz |
| 5392602 |
Infestation |
|
John M. Randall |
| 5392603 |
Infestation |
Ratty plants |
John M. Randall |
| 1459234 |
Infestation |
|
Steve Dewey |
| 1624081 |
Infestation |
Invasive plants complicate roadise begetation management programs, create safety hazards by obscuring visibility and increasing the intensity of roadsidefires, and provide seed sources for infestation of adjacent fields. |
Bonnie Harper-Lore |
| 1550057 |
Infestation |
|
Ohio State Weed Lab Archive |
| 0581066 |
|
|
Jil M. Swearingen |
| 1120381 |
Plant(s) |
June. 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. |
Ted Bodner |
| 1459235 |
Plant(s) |
|
Steve Dewey |
| 1265102 |
Plant(s) |
|
Barry Fitzgerald |
| 1459238 |
Plant(s) |
|
Steve Dewey |
| 1459243 |
Plant(s) |
|
Steve Dewey |
| 1459241 |
Plant(s) |
|
Steve Dewey |
| 1556479 |
Plant(s) |
|
John Cardina |
| 1556491 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 1556492 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 1556493 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 1556495 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 2100036 |
Plant(s) |
|
Charles T. Bryson |
| 1624073 |
Plant(s) |
Was introduced from eastern Europe into Alabama in the 1830s as a pasture forage, has become a serious weed of row crops such as cotton and corn throughout the United States. |
Charles T. Bryson |
| 1556504 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 2149088 |
Plant(s) |
|
Chris Evans |
| 2149089 |
Plant(s) |
|
Chris Evans |
| 5389604 |
Plant(s) |
|
Nancy Loewenstein |
| 5389605 |
Plant(s) |
|
Nancy Loewenstein |
| 5389606 |
Plant(s) |
|
Nancy Loewenstein |
| 5389607 |
Plant(s) |
|
Nancy Loewenstein |
| 5391773 |
Plant(s) |
|
Barry Rice |
| 5362596 |
Plant(s) |
Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans. |
Howard F. Schwartz |
| 5362345 |
Plant(s) |
Johnsongrass (Sorghum halepense) -- a young plant. |
Howard F. Schwartz |
| 5379566 |
Plant(s) |
|
James H. Miller |
| 5386298 |
Plant(s) |
plant. |
Joseph M. DiTomaso |
| 5386299 |
Plant(s) |
plant with some inflorescences containing a fungus. |
Joseph M. DiTomaso |
| 5160061 |
Plant(s) |
habit |
Forest & Kim Starr |
| 5160062 |
Plant(s) |
plant |
Forest & Kim Starr |
| 5246045 |
Plant(s) |
|
Richard Old |
| 5361009 |
Plant(s) |
Johngrass on a pole bean field as a weed. |
Howard F. Schwartz |
| 5361786 |
Plant(s) |
Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans. |
Howard F. Schwartz |
| 1556506 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 5246043 |
Root(s) |
|
Richard Old |
| 1556498 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 1556499 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 1556490 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 1556485 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 1550054 |
Root(s) |
rhizomes |
Ohio State Weed Lab Archive |
| 1551076 |
Root(s) |
|
Ohio State Weed Lab Archive |
| 1551077 |
Root(s) |
rhizomes |
Ohio State Weed Lab Archive |
| 1556475 |
Seed(s) |
|
Ohio State Weed Lab Archive |
| 1550055 |
Seed(s) |
|
Ken Chamberlain |
| 5138045 |
Seed(s) |
|
Lynn Sosnoskie |
| 5138046 |
Seed(s) |
|
Lynn Sosnoskie |
| 5364428 |
Seed(s) |
Seeds of johnsongrass (Sorghum halepense). |
Howard F. Schwartz |
| 5358454 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
Howard F. Schwartz |
| 5358455 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
Howard F. Schwartz |
| 5358456 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
Howard F. Schwartz |
| 1550056 |
Seedling(s) |
|
Ohio State Weed Lab Archive |
| 1459236 |
Seedling(s) |
|
Steve Dewey |
| 1556505 |
Seedling(s) |
|
Ohio State Weed Lab Archive |
| 1556477 |
Stem(s) |
at leaf axil |
Ohio State Weed Lab Archive |
| 5246044 |
Stem(s) |
|
Richard Old |
| 5386304 |
Stem(s) |
collar and sheath. |
Joseph M. DiTomaso |
