Hypericum perforatum, known as Perforate St John's-wort, Common Saint John's wort and St John's wort, is a flowering plant in the family Hypericaceae.The common name St John's wort may be used to refer to any species of the genus Hypericum.ypericum perforatum is native to Europe and Asia but has spread worldwide as an invasive species, including to temperate regions of India, China, Canada and the United States.
About Deep Creek Lake. Located in Garrett County in north-western Maryland, Deep Creek Lake is a man-made reservoir conveniently located a short drive from Morgantown, WV (45 minutes), Pittsburgh (2 hours), Baltimore (3 hours), and Washington DC (3 hours).
C&O Companion. for iPhone. The 184.5 mile long Chesapeake & Ohio Canal is located along the north bank of the Potomac River, starting in Washington, DC and ending in Cumberland, MD. The canal was built between 1828 and 1850, and it operated sporadically between floods until 1924.