Prunella vulgaris* /Mint Family
"Vulgaris" means common in Latin. This plant was once used for many medicinal purposes. I photographed these flowers in the Oak Ridge Cedar Barrens in early June, it can bloom much of the summer. Note the tiny black ants on the flowers.
Where seen: Oak Ridge Greenways, Big South Fork NRRA, Lone Mountain NF, Cherokee NF, University of Tennessee Arboretum, Great Smoky Mountains NP, Warriors' Path SP, Haw Ridge, Jefferson Middle School Cedar Barren, widespread