Trenčín Region, Slovakia with 395 records
Nitra Region, Slovakia with 289 records
Gujarat, India with 191 records
Morocco, Morocco with 171 records
Los Llanos, Venezuela with 151 records
South Andaman, Andaman and Nicobar with 147 records
Chidiya Tapu Biological Park, Andaman and Nicobar with 134 records
Little Andaman, Andaman and Nicobar with 124 records
El Palmar, Venezuela with 90 records
Orinoco River, Venezuela with 83 records
Korgalzhyn State Nature Reserve, Kazakhstan with 77 records
Mischicha, Russia (Eastern) with 74 records
Boulder County, USA (United States) with 65 records
Corvo, Azores with 61 records
Trnava Region, Slovakia with 60 records
Sidi Bou Ghaba, Morocco with 58 records
Iceland, Iceland with 53 records
Spain, Spain with 51 records
Záhorské Pomoravie, Slovakia with 50 records
Chidiya Tapu, Andaman and Nicobar with 48 records

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