Name Sites Samples
Albania 4 5
Alberta 4 7
Argentina 187 606
Armenia 8 19
Australia 1554 4596
Austria 80 286
Azerbaijan 2 9
Barnes County 1 1
Belarus 5 3
Belgium 169 638
Benson County 1 3
Billings County 2 2
Bolivia 4 28
Bosnia and Herzegovina 7 16
Bottineau County 1 1
Brazil 187 453
Bulgaria 9 39
Burleigh County 4 65
Burundi 1 11
Cameroon 1 6
Canada 2954 9688
Chad 1 1
Chile 27 50
China 2 0
Colombia 1 2
Croatia 25 61
Cyprus 5 28
Czech Republic 123 420
Czechia 64 303
Democratic Republic of the Congo 2 3