Nicotianoideae

Nicotianoideae is a subfamily within the family "Solanaceae". Most genera are found in Australia, but they are also found in America and Africa. The subfamily contains eight genera and about 125 species, 90 of them are included in "Nicotiana".
Genera:
"Anthocercis"
"Anthotroche"
"Crenidium"
"Cyphanthera"
"Duboisia"
"Grammosolen"
"Nicotiana"
"Symonanthus"