Rumex crispus (Curled Dock) is a species of perennial herb in the family Polygonaceae. They are native to Mongolia, Tunisia, Romania, Portugal, North Korea, Taiwan, South Korea, Switzerland, Syria, Poland, Lebanon, Iraq, Ireland, Spain, Italy, Turkey, Kyrgyzstan, Ukraine, Morocco, Japan, The Netherlands, Lithuania, Pakistan, Tajikistan, Israel, Norway, Western North America, Russia, Thailand, United Kingdom, Libya, Moldova, Uzbekistan, Sweden, Latvia, Myanmar, Iran, and Kazakhstan. They have achenes.
EOL has data for 25 attributes, including: