Author: | Simmons, M.P., D.M.E. Ware, and W.J. Hayden. |
Article Title: | The vascular flora of the Potomac River watershed of King George County, Virginia. |
Keywords: | Virginia, checklist, Myriophyllum, Mentha spicata, Ludwigia peploides, Polygonum persicaria, Polygonum hydropiper, Murdannia, Cyperus iria, Spirodela punctata, Bidens cernua, Agrostis gigantea |