1. Amazon.com : Herba Organica - Knotgrass Herb - Polygonum Aviculare L - Birdweed, Lowgrass, Pigweed (100g) : Grocery & Gourmet Food

2. Common Names: Knotweed, Bistort, Wiregrass, Tear Thumb, Knotgrass, Arssmerte, Mile a Minute, Smokeweed, Swamp Smartweed

3. Birdweed; Doorweed; Knotgrass; Lowgrass; Pigweed; Prostrate Knotweed; Wiregrass; Phonetic Spelling po-LI-go-num a-vik-yoo-LAIR-ee Description

4. Buy Polygonum Aviculare Common Knotgrass Birdweed-20 Inch By 30 Inch Laminated Poster With Bright Colors And Vivid Imagery-Fits Perfectly In Many Attractive Frames at Walmart.com

5. Allseed (plural Allseeds) Any of several unrelated plants that produce many seeds, such as Radiola linoides; fourleaf Allseed (Polycarpon tetraphyllum) knotgrass (Polygonum aviculare) knotweed (Polygonum spp.) goosefoot (Chenopodium polyspermum) References

6. Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock.It is also called prostrate knotweed, Birdweed, pigweed and lowgrass.It is an annual found in fields and wasteland, with white flowers from June to October

7. Clincher ® SF is a postemergence grass herbicide for control of a wide spectrum of annual and seedling perennial grasses in rice, including barnyardgrass (including ALS-, propanil- and quinclorac-resistant species), sprangletop, knotgrass, broadleaf signalgrass, fall panicum and junglerice.