Quercus ilex | Ilex aquifolium | Ilex glabra | Ilex canariensis | Ilex vomitoria | Ilex guayusa | Ilex brasiliensis | HMS ''Ilex'' |
The hybrid Ilex x altaclerensis was developed at Highclere Castle in 1835, a cross between I. aquifolium and the tender species I. perado.