Australian Plant Census (2011) available at: Vascular Plants APNI (biodiversity.org.au).
Australia's Virtual Herbarium (AVH) (2007). Council of Heads of Australian Herbaria (CHAH). Available at: Home - AVH (chah.org.au)
Barker, R.M. (1986). Thunbergia in A Taxonomic Revision of Australian Acanthaceae. J. Adelaide Bot. Gard. 9: 40-52.
Bremekamp, C.E.B. 1955. The Thunbergia species of the Malesian area. Verh. Kon. Akad. Wetensch., Afd. Natuurk., Sect. 2. part 50(4): 1-90.
Navie S. (2004). Declared Plants of Australia. An identification and information system. Centre for Biological Information Technology: Brisbane. [CD-ROM]
Pacific Island Ecosystems at Risk (PIER) (2006). Thunbergia fragrans. Institute of Pacific Islands Forestry, US Forest Service. Available at: Thunbergia fragrans: info from PIER (PIER species info) (hear.org)
Land Protection (2003). Thunbergia. Blue trumpet vine. Thunbergia species. NRM facts - pest series, PP23. Land Protection, The State of Queensland (Department of Natural Resources and Mines), Brisbane.
Weeds of Australia (2016). Factsheet: Thunbergia fragrans. Available at: Thunbergia fragrans (lucidcentral.org)