Glossary of "Biogeography (9th ed.)" by Cox et al. (2016)
- A group of genera (q.v.).
Glossary of "A Botanist's Vocabulary" by Pell & Angell (2016)
- Cox, C. B., Moore, P. D. & Ladle, R. J. 2016. Biogeography: An Ecological and Evolutionary Approach, 9th ed. - xiii + 482 pp. Wiley Blackwell, Chichester.
- Pell, S. K. & Angell, B. 2016. A Botanist's Vocabulary: 1300 Terms Explained and Illustrated. 226 pp. Timber Press, Portland.