Around this time, 1st August 1822, Allan Cunningham was exploring and collecting in The Illawarra region south of Sydney.
Heward, Robert. “A Biographical Sketch of the Late Allan Cunningham.” The Journal of Botany Volume IV and Volume I (1842) Print.
Robert Heward’s 1842 Biographical Sketch of Allan Cunningham is now out of copyright and was originally published in three parts: Part One appeared in The Journal of Botany Volume IV, printed in London 1842; and Part Two and Three appeared in The London Journal of Botany Volume I, also printed in 1842. These volumes can be located at the libraries of the University of New South Wales Library, in Sydney and the National Library of Australia Library, in Canberra (Ref: FRM F3424)