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Polygonum dumetorum Cristatum 


Users of this database should be aware that much of the taxonomic information was determined by students and faculty of Swarthmore College as many as 100 years ago, and as recently as 15 years ago. Taxonomic information contained in this database may be obsolete. We will be verifying this information and updating it if necessary in the near future. If you have suggestions or corrections, please e-mail . Thank you for your interest!