Mature seed head of curly dock (Rumex) in McKinney Falls State Park near Austin. Texas, May 10, 2009
Seeds of Bladder dock (Rumex vesicarius, local name Hummeid) in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
Green seeds of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
Dock (Rumex) seeds in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
Seeds of dock (Rumex) near Oredezh River. Siverskaya south from Saint Petersburg, Russia, July 20, 2015