Hugh Nicholson established Terania Rainforest Nursery with his partner Nan in the 1970s. His photographs are included in their Australian Rainforest Plants books (volumes I-VI). He has also supplied photographs to Australian and international magazines and books, and national parks and tourist information displays. In 2006, Hugh was appointed as the Federal Government conservation representative on the Community Advisory Committee for the Gondwana Rainforests of Australia World Heritage Area. Most recently, he has supplied most of the 12,000 photographs for the interactive rainforest plant identification key Rainforest Plants of Australia: Rockhampton to Victoria.