[Thistles: The Genus Cirsium in the Cascade Mountains of Oregon and Washington]

Bull Thistle, Common Thistle

Cirsium vulgare

Bull Thistle, Common Thistle: Cirsium vulgare

The photo above shows a close-up of an upper stem leaf and flower head of bull thistle as seen along the road to Bird Creek Meadows................August 8, 2004.

Bull Thistle, Common Thistle: Cirsium vulgare

The photo above shows bull thistle as seen along the road to Bird Creek Meadows................August 8, 2004.

Stem leaf of Bull Thistle, Common Thistle: Cirsium vulgare

The photo above shows a close-up of a stem leaf of bull thistle as seen along the road to Bird Creek Meadows................August 8, 2004.

Paul Slichter