Grevillea manglesii is a shrub which is endemic to an area around Perth in Western Australia. It usually grows to around 3 metres in height and 4 metres in width and produces white flowers throughout the year. There are 3 recognised subspecies: \n* G.manglesii subsp. dissectifolia (McGill.) McGill. \n* G. manglesii (Graham) Planch. subsp. manglesii \n* G. manglesii subsp. ornithopoda (Meisn.) McGill.