The genus has a cosmopolitan distribution ; the highest diversity is found in the temperate LOCATION@1 , but many species also occur in LOCATION@2 and LOCATION@3 , including at high altitudes on mountains in the tropics .

One can find it worldwide , mainly in the temperate LOCATION@1 , but many species also in LOCATION@2 and LOCATION@3 , including at high altitudes on mountains in the tropics .
