| Image |
Descriptor |
Description |
Photographer |
| 1459455 |
Flower(s) |
|
Utah State University Archive |
| 1459456 |
Flower(s) |
|
Utah State University Archive |
| 1459457 |
Flower(s) |
|
Steve Dewey |
| 1459452 |
Flower(s) |
|
Steve Dewey |
| 5085001 |
Flower(s) |
|
Mary Ellen (Mel) Harte |
| 5374138 |
Flower(s) |
|
Joseph M. DiTomaso |
| 5396514 |
Flower(s) |
|
Robert Vidéki |
| 5396515 |
Flower(s) |
|
Robert Vidéki |
| 5396603 |
Flower(s) |
|
Robert Vidéki |
| 5396604 |
Flower(s) |
|
Robert Vidéki |
| 5396511 |
Foliage |
|
Robert Vidéki |
| 5396512 |
Foliage |
|
Robert Vidéki |
| 5396513 |
Foliage |
|
Robert Vidéki |
| 5225087 |
Foliage |
|
Richard Old |
| 5225088 |
Foliage |
|
Richard Old |
| 5085002 |
Foliage |
|
Mary Ellen (Mel) Harte |
| 5085003 |
Foliage |
underside of leaf |
Mary Ellen (Mel) Harte |
| 5361295 |
Infestation |
Infestation of redroot pigweed (Amaranthus retroflexus) in field corn. |
Phil Westra |
| 5361297 |
Infestation |
Close-up view of a dense infestation of redroot pigweed (Amaranthus retroflexus) in field corn. |
Phil Westra |
| 5362333 |
Infestation |
An onion field infested with redroot pigweed (Amaranthus retroflexus). |
Howard F. Schwartz |
| 5362592 |
Plant(s) |
Redroot pigweed (Amaranthus retroflexus) growing as a weed in a field of dry beans. |
Howard F. Schwartz |
| 5396509 |
Plant(s) |
habitat |
Robert Vidéki |
| 5396510 |
Plant(s) |
habitat |
Robert Vidéki |
| 5361298 |
Plant(s) |
Redroot pigweed (Amaranthus retroflexus) growing among weedy grasses. |
Phil Westra |
| 5361296 |
Plant(s) |
Intermediate-size seedling of redroot pigweed (Amaranthus retroflexus). |
Phil Westra |
| 5085004 |
Plant(s) |
|
Mary Ellen (Mel) Harte |
| 2135070 |
Plant(s) |
|
Barbara Tokarska-Guzik |
| 5225085 |
Plant(s) |
|
Richard Old |
| 5225086 |
Plant(s) |
|
Richard Old |
| 1558163 |
Plant(s) |
|
Ohio State Weed Lab Archive |
| 5374137 |
Plant(s) |
|
Joseph M. DiTomaso |
| 5399107 |
Plant(s) |
habitat |
Robert Vidéki |
| 5399108 |
Plant(s) |
habitat |
Robert Vidéki |
| 5399109 |
Plant(s) |
habitat |
Robert Vidéki |
| 5362588 |
Research |
An onion field with a pigweed, Amaranthus retroflexus, infestation. |
Howard F. Schwartz |
| 5225084 |
Root(s) |
|
Richard Old |
| 5138056 |
Seed(s) |
|
Lynn Sosnoskie |
| 1558167 |
Seed(s) |
|
Ken Chamberlain |
| 5364434 |
Seed(s) |
Seeds of rough pigweed (Amaranthus retroflexus). |
Howard F. Schwartz |
| 5374139 |
Seedling(s) |
|
Joseph M. DiTomaso |
| 5361293 |
Seedling(s) |
Seedling of redroot pigweed (Amaranthus retroflexus) at the cotyledon stage. |
Phil Westra |
| 5361294 |
Seedling(s) |
Seedling of redroot pigweed (Amaranthus retroflexus) at the 2-leaf stage. |
Phil Westra |
| 1391507 |
Seedling(s) |
|
John D. Byrd |
| 1459453 |
Seedling(s) |
|
Steve Dewey |
| 1459454 |
Seedling(s) |
|
Steve Dewey |
| 1558165 |
Seedling(s) |
cotyledons |
Ohio State Weed Lab Archive |
| 1558166 |
Seedling(s) |
|
Ohio State Weed Lab Archive |
