Region
- United States 16 results
- New Zealand 11 results
- Canada 9 results
- Great Britain 7 results
- Australasia 4 results
- Australia 4 results
- Japan 4 results
- Christchurch 3 results
- Heathcote and Avon Estuary 3 results
- Heathcote and Avon Estuary (N.Z.) 3 results
- Africa 1 results
- Antarctica 1 results
- Arctic regions 1 results
- Asia 1 results
- Avon River/Ōtakaro 1 results
- California 1 results
- Developing countries 1 results
- Fiji 1 results
- Heathcote River 1 results
- New Caledonia 1 results
- New South Wales 1 results
- North America 1 results
- Northeastern States 1 results
- Oceania 1 results
- Pacific Ocean 1 results