Longroot smartweed

Longroot smartweed (Polygonum amphibium var. emersum) is a perennial flower native to the lower 48 states of the United States and found in the state of Maryland; it may or may not be native to Maryland.USDA Plants Database, 
== Identification ==
== Cultivation ==
== Uses and Relationships ==
== More Information ==
The initial draft of this article was automatically generated from the Polygonum amphibium var. emersum profile in the USDA Plants Database. The Biota of North America Program (BONAP) may or may not have a page for this genus with detailed range maps. (BONAP range maps are copyrighted and should not be placed directly on our wiki.)
== References ==
Category:Polygonum Category:Native perennial flowers Category:North American natives Category:USDA native stubs