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Native Plant Species per Botanic Garden

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In this map the larger the landmass the greater the need for a botanic garden. This is because these regions have a relatively high number of native species and a low number of gardens. This is particularly evident on the continent of African and the sub-continent of South East Asia.

In contrast, the United Kingdom, America, Canada and Australia are represented by very small areas, thus demonstrating their profusion of gardens and relatively low plant diversity.

Territory size is proportional to the number of plant species divided by the number of botanic gardens.

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