Danube Delta, Romania with 42 records
Ushuaia, Argentina with 15 records
Costanera Sur Ecological Reserve, Argentina with 14 records
Ultima Frontiera Complex, Romania with 13 records
Tulcea County, Romania with 9 records
Puerto Williams, Chile with 8 records
Oaxaca de Juarez, Mexico (Southern) with 6 records
Iguazú National Park, Argentina with 6 records
Valle Nacional, Mexico (Southern) with 6 records
Puerto Iguazú, Argentina with 6 records
Los Tuxtlas Biosphere Reserve, Mexico (Southern) with 5 records
Venice, Italy with 5 records
Tierra del Fuego National Park, Argentina with 4 records
Torres del Paine National Park, Chile with 4 records
Mexico DF State, Mexico (Northern) with 3 records
Iruya, Argentina with 3 records
Catemaco, Mexico (Southern) with 3 records
Puerto Natales, Chile with 3 records
Monfragüe National Park, Spain with 3 records
Salamanca, Spain with 3 records

This is a list of the top 20 specific localities, sorted by the total amount of materials.