Heiser, C.B. (1956), Biosystematics of Helianthus debilis. Madroño; Journal of the California Botanical Society 13(5): 160 [comb. et stat. nov.]

basionym: Helianthus cucumerifolius Torr. & A.Gray legitimate nomenclatural synonym: Helianthus debilis var. cucumerifolius (Torr. & A.Gray) A.Gray legitimate

Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Flora of the Perth Region 2: 682 [secondary reference]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Helianthus cucumerifolius Torr. & A.Gray legitimate nomenclatural synonym: Helianthus debilis f. cucumerifolius (Torr. & A.Gray) Voss legitimate nomenclatural synonym: Helianthus debilis var. cucumerifolius (Torr. & A.Gray) A.Gray legitimate

• APC Dist.: WA (naturalised), Qld (naturalised)

Orchard, A.E., Cross, E.W. & Bayer, R.J. in Wilson, A.J.G. (ed.) (2015), Helianthus. Flora of Australia 37: 558, Fig. 82M-Q, map [secondary reference]

nomenclatural synonym: Helianthus cucumerifolius Torr. & A.Gray legitimate

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 276-277, photos 1-3 [secondary reference]

common name: Cucumberleaf Sunflower [n/a]

Bostock, P.D. & Holland, A.E. (August 2017), Appendix A: New names and name and status changes 2016 census to 2017 census. Introduction to the Census of the Queensland Flora 2017: 19 [secondary reference]

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