Dodonaea viscosa - Illustration and information on the Narrow-leafed Hop Bush, and a map of Australia showing its range. - http://www.australian-aridlands-botanic-garden.org/general/plants/p_spec/nlhb.htm
Dodonaea vicosa - Several photographs of this species growing in its natural habitat in Hawaii. - http://jupiternielsenflameworking.com/hawaiianflora/a_ali_i.html