MARSH SMARTWEED 

 (Polygonum coccineum; 

 formerly Persicaria 

 muhlenbergii) 



British Columbia 

 to Quebec, Califor- 

 nia, Texas and North 

 Carolina. 



Pink flowers 

 contain single brown 

 seeds. A commoner 

 upright form with 

 oval, 1 ong- taper - 

 tipped leaves grows 

 in wet soil and 

 shallow water. 



Resembles Water 

 Smar tweed but has 

 longer clusters of 

 flowers on finely- 

 hairy stalks, and 

 usually has broader 

 leaves. 



WATER SMARTWEED 

 (Polygonum amphibium; 

 formerly natans) 



Alaska to Quebec, 

 California, Illinois and 

 New Jersey. 



An upright form with 

 narrow leaves grows in wet 

 soil and shallow water. 



Resembles Marsh 

 Smartweed but has shorter 

 clusters of flowers on hair- 

 less stalks, and usually 

 has narrower leaves. 



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