1. Adams, R.P. (2004). Junipers of the World: the genus Juniperus. Vancouver, BC - Trafford.
2. Adams, R.P. (2008). Junipers of the World: the genus Juniperus (2nd Ed), Vancouver, BC - Trafford.
3. Adams, R.P. (2014). Junipers of the world: The genus Juniperus (3rd Ed). Victoria, BC - Trafford.
4. Adams, R.P., Al-Farsi, A., Schwarzback, A. (2014). Confirmation of the southernmost population of Juniperus seravschanica in Oman by DNA sequencing of nrDNA and four cpDNA regions. Phytologia, 96 (3), 218-224.
5. Assessment of ISSR based molecular genetic diversity of Hassawi rice in Saudi Arabia