Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
-
Afrika
Namibia, Nigeria, South Africa
Egypt
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Finland, Germany, Italy, Romania, Sweden, Turkey, United Kingdom
lain
tanah penggembalaan
-
Amerika Utara
Barbados, Canada, Mexico, Panama, USA
USA
Amerika Selatan
Brazil
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, Western Australia