Ilex × nettletoniana R.H.Ferguson Ilex × attenuata, the topal holly, is the result of a cross between Ilex cassine (dahoon) and Ilex opaca (American holly).

It is a naturally occurring hybrid found in the southeastern United States where the ranges of the parents overlap, but hybrid cultivars have also been created.

[2] The best known cultivars are 'Fosteri', Foster holly, which does not require males to set fruit, and 'Savannah', with very showy red fruit.

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