Aza
, Azadirachta , Azalea , Azaleastrum , Azamara , Azanza , Azara , Azarolus
Aze
, Azedarach
Azi
Azilia I.C. Hedge & J.M. Lamond in K.H. Rechinger, 1987
- Azilia eryngioides (Pau) Hedge & Lamond
Angiospermae → Magnoliopsida → Apiales → Apiaceae , Azima
Azo
, Azorella , Azorellopsis , Azorina
Azt
Aztecaster G.L.Nesom
- Aztecaster matudae (Rzed.) G.L.Nesom
- Aztecaster pyramidatus (B.L.Rob. & Greenm.) G.L.Nesom
Angiospermae → Magnoliopsida → Asterales → Asteraceae
Aztekium Boed.
- Aztekium hintonii Glass & W.A.Fitz Maur.
- Aztekium ritteri (Boed.) Boed.
Angiospermae → Magnoliopsida → Caryophyllales → Cactaceae
Azu
, Azukia , Azureocereus