A family of about 60-70 genera and 1000-1500 species with a world-wide distribution; seven genera occur naturally in Australia.
Lobelia - A genus probably containing more than 200 species, mostly in tropical regions particularly in the Americas; about 20 species occur naturally in Australia. Moeliono & Tuyn (1960).
Moeliono, B. & Tuyn, P. (1960). Campanulaceae. In' Flora Malesiana.' Ser. 1, Vol. 6, (P. Noordhoff: Gronigen) pp. 107-141.