Ogle, C.C.; de Lange, P.J.; Cameron, E.K.; Parris, B.S.; Champion, P.D. 2021: Checklist of dicotyledons, gymnosperms and pteridophytes naturalised or casual in New Zealand: additional records 2007–2019. Perspectives in Biosecurity Research Series 5: 45–116.
Valencia-A, S.; Coombes, A.; Villasenor, J.L. 2018: Quercus candicans (Fagaceae) is not a Quercus but a Roldana (Asteraceae). Phytotaxa 333(2): 251–258.