| 5307057 |
Plant(s) |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 121. |
| 5309001 |
Plant(s) |
Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC. |
| 1459240 |
Root(s) |
Roots |
| 2149092 |
Foliage |
Ligule |
| 5376843 |
Fruit(s) |
Lateral view. Embryos facing left. FNW taxon. |
| 5376842 |
Fruit(s) |
Caryopses in dorsal view (left) and ventral view (right). FNW taxon. |
| 5376841 |
Spikelet(s) |
Spikelets with apices broken off. FNW taxon. |
| 5376840 |
Spikelet(s) |
Portion of inflorescence (left); terminal spikelet with two pedicellate spikelets (middle); spikelet with pedicellate spikelet and rachis segment (right). FNW taxon. |
| 5376839 |
Spikelet(s) |
Dorsal view of spikelets. FNW taxon. |
| 5376838 |
Spikelet(s) |
Ventral view of spikelets with pedicel and rachis segment. FNW taxon. |
| 1459242 |
Rhizome / Stolon |
Rhizomes |
| 1459244 |
Feature(s) |
Leaf collar region |
| 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. |
| 2149087 |
Feature(s) |
Ligule |
| 2149093 |
Stem(s) |
Stem |
| 2149095 |
Stem(s) |
Stem |
| 1459237 |
Root(s) |
Roots |
| 5437529 |
Stem(s) |
|
| 5437530 |
Foliage |
|
| 2149094 |
Foliage |
|
| 5437534 |
Seed(s) |
|
| 5437535 |
Seed(s) |
|
| 5437536 |
Seed(s) |
|
| 5437532 |
Seed(s) |
|
| 5437533 |
Seed(s) |
|
| 5437541 |
Stem(s) |
|
| 5437542 |
Stem(s) |
|
| 5437543 |
Foliage |
|
| 5437546 |
Plant(s) |
|
| 5437540 |
Plant(s) |
|
| 5437544 |
Plant(s) |
|
| 5437545 |
Plant(s) |
|
| 5437539 |
Plant(s) |
|
| 5437538 |
Plant(s) |
|
| 5437537 |
Plant(s) |
|
| 0581066 |
Plant(s) |
|
| 1459245 |
Fruit(s) |
|
| 1459234 |
Infestation |
|
| 2149088 |
Plant(s) |
|
| 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. |
| 2149089 |
Plant(s) |
|
| 1265102 |
Plant(s) |
|
| 1459241 |
Plant(s) |
|
| 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. |
| 2155066 |
Infestation |
|
| 1391333 |
Field |
|
| 1459238 |
Plant(s) |
|
| 1459239 |
Feature(s) |
Ligule |
| 1392225 |
Flower(s) |
|
| 2149085 |
Root(s) |
|
| 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. |
| 2308021 |
Infestation |
Large infestation in September |
| 2149084 |
Root(s) |
|
| 2149086 |
Feature(s) |
Plant base |
| 2149083 |
Stem(s) |
|
| 1459235 |
Plant(s) |
|
| 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. |
| 1299122 |
Control |
Ropewick applicator |
| 2100036 |
Plant(s) |
|
| 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. |
| 1459243 |
Plant(s) |
|
| 5428737 |
Flower(s) |
|
| 5428736 |
Foliage |
|
| 1459236 |
Seedling(s) |
|
| 1459233 |
Fruit(s) |
|
| 1459246 |
Feature(s) |
|
| 5427568 |
Flower(s) |
|
| 5427569 |
Plant(s) |
|
| 5427570 |
Plant(s) |
|
| 5427571 |
Flower(s) |
|
| 5427572 |
Flower(s) |
|
| 5427573 |
Flower(s) |
|
| 5421991 |
Feature(s) |
Ligule
In September |
| 5422023 |
Infestation |
|
| 5421992 |
Seed(s) |
In November |
| 5421989 |
Infestation |
In July |
| 5421990 |
Stem(s) |
In June |
| 5408169 |
Flower(s) |
|
| 5408167 |
Plant(s) |
|
| 5408168 |
Flower(s) |
|
| 5403108 |
Flower(s) |
|
| 5389605 |
Plant(s) |
|
| 5389606 |
Plant(s) |
|
| 5389607 |
Plant(s) |
|
| 5389604 |
Plant(s) |
|
| 5392602 |
Infestation |
|
| 5392603 |
Infestation |
Ratty plants |
| 5391775 |
Flower(s) |
|
| 5391776 |
Flower(s) |
|
| 5391773 |
Plant(s) |
|
| 5391774 |
Flower(s) |
|
| 5386299 |
Plant(s) |
plant with some inflorescences containing a fungus. |
| 5386300 |
Flower(s) |
inflorescence. |
| 5386301 |
Flower(s) |
inflorescence with a fungus. |
| 5386304 |
Stem(s) |
collar and sheath. |
| 5386298 |
Plant(s) |
plant. |
| 0581065 |
Flower(s) |
|
| 5361009 |
Plant(s) |
Johngrass on a pole bean field as a weed. |
| 5379566 |
Plant(s) |
|
| 5379565 |
Infestation |
July |
| 1556471 |
Fruit(s) |
|
| 1556475 |
Seed(s) |
|
| 1551074 |
Feature(s) |
|
| 5309002 |
Fruit(s) |
|
| 1551076 |
Root(s) |
|
| 1551077 |
Root(s) |
rhizomes |
| 1551073 |
Flower(s) |
|
| 1551075 |
Foliage |
|
| 1550057 |
Infestation |
|
| 1550056 |
Seedling(s) |
|
| 1550055 |
Seed(s) |
|
| 1556473 |
Fruit(s) |
|
| 1556472 |
Fruit(s) |
|
| 1550054 |
Root(s) |
rhizomes |
| 1550052 |
Flower(s) |
|
| 1550053 |
Feature(s) |
leaf attachment |
| 5362345 |
Plant(s) |
Johnsongrass (Sorghum halepense) -- a young plant. |
| 5364428 |
Seed(s) |
Seeds of johnsongrass (Sorghum halepense). |
| 5362350 |
Infestation |
A drybean field with johnson grass (Sorghum halepense) infestation. |
| 5362349 |
Infestation |
A drybean field with johnson grass (Sorghum halepense) infestation. |
| 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. |
| 5361786 |
Plant(s) |
Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans. |
| 5362596 |
Plant(s) |
Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans. |
| 5358456 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
| 5358454 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
| 5358455 |
Seedling(s) |
Johnsongrass (Sorghum halepense) seedlings in an onion field. |
| 1556501 |
Feature(s) |
|
| 1556506 |
Root(s) |
|
| 1556507 |
Feature(s) |
single white stripe on mid-rib of leaf |
| 1556505 |
Seedling(s) |
|
| 1556504 |
Plant(s) |
|
| 1556500 |
Feature(s) |
leaf axil and single white stripe along mid-rib of leaf |
| 1556499 |
Root(s) |
|
| 1556496 |
Flower(s) |
|
| 1556498 |
Root(s) |
|
| 1556495 |
Plant(s) |
|
| 1556492 |
Plant(s) |
|
| 1556493 |
Plant(s) |
|
| 1556490 |
Root(s) |
|
| 1556491 |
Plant(s) |
|
| 1556489 |
Flower(s) |
|
| 1556487 |
Flower(s) |
|
| 1556483 |
Feature(s) |
single white stripe along mid-rib of leaf |
| 1556485 |
Root(s) |
|
| 1556482 |
Feature(s) |
ligule |
| 1556481 |
Feature(s) |
ligule |
| 1556480 |
Foliage |
showing leaf axil and single white stripe on center of leaf |
| 1556479 |
Plant(s) |
|
| 1556477 |
Stem(s) |
at leaf axil |
| 5160059 |
Flower(s) |
seed head |
| 5160060 |
Flower(s) |
seed heads |
| 5160061 |
Plant(s) |
habit |
| 5160062 |
Plant(s) |
plant |
| 5138045 |
Seed(s) |
|
| 5138046 |
Seed(s) |
|
| 2149090 |
Feature(s) |
Plant base |
| 2149091 |
Feature(s) |
Plant base |
| 2149096 |
Feature(s) |
Ligule |