Glossary of "The Evolution of Plants (2nd ed.)" by Willis & McElwain (2014)
- Presently encompasses most of the latitudes between the tropics and polar circles in both hemispheres. The climate of the temperate regions is characterized by moderate temperatures (i.e. not excessive or extreme) with alternating long, warm summers and short, cold winters.
- Willis, K. J. & McElwain, J. C. 2014. The Evolution of Plants, 2nd ed. -ix + 398 pp. Oxford University Press, Oxford.