1. Adams, R. P. (2015). Allopatric hybridization and introgression between Juniperus maritima and J. scopulorum. Evidence from nuclear and cpDNA and leaf terpenoids. Phytologia, 97, 55–66.
2. Anderson, E. (1948). Hybridization of the habitat. Evolution, 2, 1–9.
3. Anderson, E. (1949). Introgressive Hybridization. New York, NY: Wiley.
4. Arcade, A., Faivre-Rampant, P., Pâques, L. E., & Prat, D. (2002). Localisation of genomic regions controlling microdensitometric parameters of wood characteristics in hybrid larches. Annals of Forest Science, 59(5–6), 607–615.
5. Argus, G. W. (1966). Botanical investigations in northeastern Saskatchewan: The subarctic Patterson-Hasbala Lakes region. Canadian Field-Naturalist, 80, 119–143.