(also known as knotweed) is the common name given to a whole genus of plants, Polygonum, which translates as "many knees.
often grows in potassium-poor soil, while Canada thistle suggests low magnesium levels.
503), including the complex terminological issue of the dual pronunciations of the graph [TEXT NOT REPRODUCIBLE IN ASCII], which pronounced tu meant sowthistle or smartweed
, and in the pronunciation cha meant tea.
Response of aquatic macroinvertebrates to early-spring drawdown in nodding smartweed
European cutgrass (Leersia japonica Makino), and smartweed
(Polygonum hydropiper L.
The complex of indigenous domesticates includes a variety of nutritious seed plants such as pigweed (Amaranthus), lamb's quarter or goosefoot (Chenopodium), knotweed or smartweed
(Polygonum), marshelder (Iva), ragweed (Ambrosia trifida L.
Brazilian pepper -- Purple loosestrife -- Cattail -- Reed canarygrass -- Chinese Tallow Tree -- Swamp rose -- Cogongrass -- Russian-olive -- Giant reed -- Saltcedar -- Junglerice -- Smartweed
-- Knapweeds -- Spartina -- Knotweed and Japanese -- Sumac knotweed -- Swamp morning glory or water -- Melaleuca spinach -- Phragmites -- Torpedo grass -- Willow
This particular bird was a loner, a high-flying drake that locked up without hesitation upon seeing the small spread we'd set just outside the smartweed
The MSMW (1-4) are leveed large, nonforested areas characterized by species such as barnyard grass (Echinochloa crus-galli), erect burhead (Echinodorus rostratus), duck potato (Sagittaria species), square-stem spike rush (Eleocharis quadrangulata), wild millet (Echinochloa walteri), nodding smartweed
(Polygonum lapathifolium), water pepper (Polygonum hydropiper), California bulrush (Schoenoplectus californicus), and water primrose (Ludwigia peploides) (Collins, 2012).
As with the other two restored sites, Restored C represents an early successional emergent marsh dominated (>65% coverage) by rice cutgrass, common rush, and swamp smartweed
(Polygonum hydropiperoides) (H.
4 Hunter shoots and wounds greenhead, which falls in decoy spread, swims to far side of small pond, disappears into smartweed
Number of Weed species seeds/plant Velvetleaf 1500 Yellow nutsedge 2400 Giant foxtail 2500 Pennsylvania smartweed
3000 Barnyardgrass 7000 Common ragweed 15,000 Jimsonweed 23,400 Shepherd's purse 38,500 Curly dock 40,000 Common purslane 52,000 Common lambsquarters 72,000 Stinkgrass 82,000 Redroot pigweed 117,000 Black nightshade 178,000 Russian thistle 200,000 Witchweed 500,000 Table 14-4 Effect of increasing weed densities on crop yields.
In 2003, the Wilder Tract supported very little shallow-water habitat or shorebird use during early-spring and the first flood of the Illinois River in May quickly elevated the water level into emergent vegetation, principally native smartweed
Season continues to spread through the dooryards and alleys.
Mallards and pintails are especially vulnerable to decaying when they come back from the fields; they want a drink of water and perhaps a few nibbles of smartweed
for dessert, and they'll look around and work much better than ducks that have filed a flight plan for distant fields first thing in the morning.