Template:Bylsma et al., 2014
- Bylsma, R.J.; Clarkson, B.D.; Efford, J.T. 2014: Biological flora of New Zealand 14: Metrosideros excelsa, pōhutukawa, New Zealand Christmas tree. New Zealand journal of botany, 52(3): 365–385. DOI: 10.1080/0028825X.2014.926278