| 1 | Alaska |
| 2 | western Canada |
| 3 | central Canada—west |
| 4 | central Canada—east, Baffin Island |
| 5 | Greenland |
| 6 | western USA |
| 7 | central USA |
| 8 | eastern USA |
| 9 | eastern Canada |
| 10 | Belize, Guatemala, Mexico |
| 11 | Antilles, Costa Rica, Cuba, Dominican Republic, El Salvador, Haiti, Honduras, Jamaica, Nicaragua, Panama, Puerto Rico, West Indies |
| 12 | Colombia, Ecuador, French Guiana, Guyana, northern Bolivia, northwestern Brazil, Peru, Surinam, Venezuela |
| 13 | northeastern Brazil |
| 14 | northern Argentina, northern Chile, Paraguay, southern Bolivia, Uruguay |
| 15 | southeastern Brazil |
| 16 | southern Argentina, southern Chile, Falkland Islands |
| 17 | Iceland |
| 18 | Denmark, Finland, Norway, Sweden |
| 19 | western Russia northwest |
| 20 | western Russia north |
| 21 | central Russia northwest |
| 22 | central Russia north |
| 23 | central Russia east |
| 24 | eastern Russia northwest |
| 25 | eastern Russia north |
| 26 | eastern Russia northeast |
| 27 | Belgium, France, Great Britain, Ireland, Monaco, Netherlands |
| 28 | Albania, Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Germany, Greece, Hungary, Italy, Luxembourg, Macedonia, Malta, Poland, Romania, Slovakia, Slovenia, Switzerland, Vatican, Yugoslavia |
| 29 | Armenia, Azerbaijan, Belarus, Estonia, Georgia, Latvia, Lithuania, Moldova, Ukraine, western Russia |
| 30 | Tajikistan, Turkmenistan, Uzbekistan, western Kazakhstan, western Kyrgyzstan, western Russia southeast |
| 31 | central Russia southwest, eastern Kazakhstan, eastern Kyrgyzstan |
| 32 | central Russia south, western Mongolia |
| 33 | central Russia southeast, eastern Mongolia |
| 34 | eastern Russia southwest: Sakhalin, Sikhote Alin |
| 35 | eastern Russia east: Kamchatka |
| 36 | Azores, Canary Island, Madeira |
| 37 | Algeria, Andorra, Morocco, Portugal, Spain, Tunisia |
| 38 | Egypt, Libya |
| 39 | Bahrain, Cyprus, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates, Yemen |
| 40 | Afghanistan, Iran |
| 41 | Bangladesh, Bhutan, India, Nepal, Pakistan |
| 42 | western China |
| 43 | central China |
| 44 | eastern China, Macao, Hong Kong, North Korea, South Korea, Taiwan |
| 45 | Japan |
| 46 | Benin, Burkina Faso, Cape Verde, Côte d'Ivoire, Gambia, Ghana, Guinea, Guinea‐Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Togo, Cameroon, Chad, Central African Republic, Equatorial Guinea, Gabon, São Tomé |
| 47 | western Sudan |
| 48 | Burundi, Eritrea, Ethiopia, eastern Sudan, Kenya, Somalia, Uganda |
| 49 | Kampuchea, Laos, Myanmar, Vietnam |
| 50 | Philippines |
| 51 | Malaysia, Papua New Guinea, western Indonesia |
| 52 | Angola, Burundi, Congo, Gabon, Zaire |
| 53 | Madagascar, Malawi, Mozambique, Seychelles, Zambia, Zimbabwe |
| 54 | Malaysia, Singapore, western Indonesia |
| 55 | northeastern Australia |
| 56 | Caledonia, Fiji/Vanuatu |
| 57 | Botswana, Lesotho, Namibia, Swaziland, South African Republic |
| 58 | western Australia |
| 59 | southeastern Australia |
| 60 | New Zealand |
| 61 | Hawaii |
| 62 | Phoenix Islands, Samoa |
| 63 | Cook Islands, Polynesia |
| 64 | Guam/Palau, Saipan |
| 65 | Kiribati, Marshall |
| 66 | central Atlantic—south: Ascension, St. Helena |
| 67 | Antarctica |
| 68 | southwestern Indian Ocean: Kerguelen |
| 69 | Antarctica |
| 70 | Antarctica |
| 71 | Antarctica |
| 72 | Antarctica |
| 73 | Antarctica |
| 74 | South Pole |
| 75 | North Pole |
| 76 | northeastern Pacific |
| 77 | central Pacific—northeast |
| 78 | central Pacific—southeast |
| 79 | central Indian Ocean |
| 80 | northern Atlantic |
| 81 | central Atlantic |
| 82 | northwestern Pacific |
| 83 | southern Pacific |
| 84 | southern Atlantic |
| 85 | southeastern Indian Ocean |
