Jessup, L.W. (18 December 2017), Polyalthia submontana subsp. sessiliflora (Jessup) Jessup, a new combination in Australian Annonaceae. Austrobaileya 10(1): 64 [primary reference]

Turner, I.M. (2018), Annonaceae of the Asia-Pacific region: names, types and distributions. The Gardens' Bulletin, Singapore 70(1): 655 [orthographic variant]

orthographic variant of: Polyalthia submontana subsp. sessiliflora (Jessup) Jessup legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [orthographic variant]

orthographic variant of: Polyalthia submontana subsp. sessiliflora (Jessup) Jessup legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [orthographic variant]

orthographic variant of: Polyalthia submontana subsp. sessiliflora (Jessup) Jessup legitimate

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