Occurrence and distribution |
Questionable: China
Native: Japan, South Korea, North Korea, Turkey, Russia, Algeria, UK, Germany, France, Spain, Portugal, Greece, Bulgaria, Ukraine, Romania, Georgia, Norway, Sweden, Denmark, Iceland, Ireland, Greenland, Finland, Belgium, Netherlands, USA, Mexico, Canada, Alaska, Albania, Belarus, Bosnia and Herzegovina, Croatia, Estonia, Isle of Man, Latvia, Lithuania, Montenegro, Poland, Slovenia, Switzerland
Introduced: Iran, Italy, Austria, Czech Republic, Hungary, Slovakia
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