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Onopordum acanthium (Cotton Thistle) is a species of biennial herb in the family Asteraceae. It has a self-supporting growth form. It is associated with freshwater habitat. Cotton Thistle is native to Iran, Ukraine, Moldova, Afghanistan, Kyrgyzstan, Kazakhstan, Germany, Tajikistan, Italy, Czech Republic, Georgia, Romania, Iraq, Turkey, Turkmenistan, Yugoslavia, Greece, Bulgaria, Switzerland, Pakistan, Azerbaijan, Portugal, Russia, Albania, Armenia, Spain, Austria, France, and Hungary. It has simple, broad leaves. It is a photoautotroph. Individuals can grow to 1 m.

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EOL has data for 18 attributes, including:

Known occurrences, collected specimens and observations of Cotton Thistle. View this species on GBIF