Ámbito geográfico
ARGENTINA
17
UNITED STATES
7
LATIN AMERICA
6
CANADA
2
AMAZON RIVER VALLEY
1
AMÉRICA LATINA
1
AMÉRICA LATINA
1
BRAZIL
1
CARIBBEAN AREA
1
CHILE
1
COLOMBIA
1
DEVELOPING COUNTRIES
1
GRAN CHACO
1
INDONESIA
1
LATIN AMEERICA
1
MENDOZA
1
ONTARIO
1
PACIFIC AREA
1
PAMPAS
1
RUSSIA (FEDERATION)
1
RÍO NEGRO
1
SIBERIA
1