The Australian National Botanic Gardens are located in Canberra and are administered by the Commonwealth Government Department of the Environment and Heritage. The botanic gardens are a collection of native Australian flora arrange by taxonomy or natural ecological groupings. The gardens maintains a wide variety of botanical resources for researchers and cultivates native plants threatened in the wild. The concept for a national botanic gardens developed in the 1930s as Canberra was built, with the gardens officially opened in 1970 on a site of 90 hectares astride the Black Mountain
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