Cheeseman, T.F. 1925: Manual of the New Zealand Flora. Edition 2. Government Printer, Wellington.
de Lange, P.J.; Blanchon, D.J. 2023: New combinations in Helichrysum simpsonii Kottaim. for the taxa described as H. selago var. acutum Cheeseman and H. selago var. tumidum Cheeseman (Asteraceae) from Aotearoa / New Zealand. Ukrainian Botanical Journal 80(4): 301–305.
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Helichrysum selago var. tumidum Cheeseman] [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76. [as Helichrysum selago var. tumidum Cheeseman]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Helichrysum selago var. tumidum Cheeseman] [Naturally Uncommon]