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In page Acacia sensu lato:

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The traditional circumscription of Acacia eventually contained approximately 1,300 species. However, evidence began to accumulate that the genus as described was not monophyletic. Queensland botanist Leslie Pedley proposed the subgenus Phyllodineae be renamed Racosperma and published the binomial names.[3][4] This was taken up in New Zealand but generally not followed in Australia, where botanists declared more study was needed.[citation needed]