]> GH barcode-01552361 United States of America Virginia about 3 miles south-east of Petersburg, at head of Poo Run Lycopus americanus Muhlenberg ex W. P. C. Barton Muhlenberg ex W. P. C. Barton 2020-12-09 11:02:19 M. L. Fernald, B. H. Long & R. F. Smart