2013 Photograph, Wild Teasel or Fuller's Teasel (Dipsacus fullonum or Dipsacus sylvestris, Teasel Family Dipsacaceae), McKee-Beshers WMA, Poolesville, Maryland, © 2020.
An imported plant that can be very invasive, displacing all other plants including native species. Native to Europe and North Africa, introduced in the 1700's, escaped and naturalized throughout North America. |