Bull Thistle
Young bull thistle in the fall. Image courtesy of the slide collection of Jack Harper.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Larry Kuhns.
Bull Thistle
Image courtesy of Matthew Naedel.
Bull Thistle
Spine. Image courtesy of Matthew Naedel.
Bull Thistle
Image courtesy of Matthew Naedel.
