How to Cite
Christenhusz, M. J. M., J. L. Reveal, A. Farjon, M. F. Gardner, R. R. Mill, and M. W. Chase. 2011. “A New Classification and Linear Sequence of Extant Gymnosperms”. Phytotaxa 19 (1):55-70. https://doi.org/10.11646/phytotaxa.19.1.3.