Check-lists
Africa
Europe
Svalbard (Norway)
Novaya Zemlya (Russia)
North America
British Columbia (Canada)
New Brunswick (Canada)
Newfoundland and Labrador (Canada)
Nova Scotia (Canada)
Yukon (Canada)
Alaska (United States of America)
Arizona (United States of America)
California (United States of America)
Delaware (United States of America)
Florida (United States of America)
Hawaii (United States of America)
Louisiana (United States of America)
Maine (United States of America)
Maryland (United States of America)
Massachusetts (United States of America)
Minnesota (United States of America)
Mississippi (United States of America)
New Jersey (United States of America)
Oregon (United States of America)
Texas (United States of America)
Washington (United States of America)
South America
Asia
Kamchatka (Russia)
Kuril Islands (Russia)
Sakhalin (Russia)
Oceania
* List of countries might not be complete