Bull Thistle, Common Thistle
Cirsium vulgare
Synonym: Carduus 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.
The photo above shows bull thistle as seen
along the road to Bird Creek Meadows........August 8, 2004.
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