Gagul, Janet (2021) Systematics and evolution of the genus Elaeocarpus L. (Elaeocarpaceae). PhD thesis, James Cook University.

Gagul, J.N., Simpson, L., and Crayn, D.M. (2018) Elaeocarpus carbinensis J.N.Gagul & Crayn (Elaeocarpaceae), a new species endemic to the Mt Carbine Tableland of northeast Queensland, Australia. Austrobaileya, 10 (2). pp. 247-259.

Gagul, Janet N., Tng, David Y.P., and Crayn, Darren M. (2018) Fruit developmental biology and endosperm rumination in Elaeocarpus ruminatus (Elaeocarpaceae), and its taxonomic significance. Australian Systematic Botany, 31 (6). pp. 409-419.

Gagul, J.N., Sands, M.J.S, Gideon, O., and Hughes, M. (2018) A revision of Begonia sect. Symbegonia on New Guinea. Edinburgh Journal of Botany, 75 (2). pp. 127-159.

Hughes, Mark, Barber, Sadie, Heatubun, Charlie D., and Gagul, Janet (2015) Begonia yapenensis (sect. Symbegonia, Begoniaceae), a new species from Papua, Indonesia. European Journal of Taxonomy, 119. pp. 1-6.