Thistles

Canada thistle - shoots Canada thistle - juvenile plant Canada thistle - rosette Canada thistle - rosetteCanada thistle - juvenile plantsCanada thistle - flower budsCanada thistle - flowersCanada thistle - in headland by barley cropCanada thistle - in pastureCanada thistle - mature seed headsCanada thistle - mature plantsCanada thistle - in swathCanada thistle - in swath