Table 2.
Study sites, species and years of investigation.
| Regions | Study area and its description | Studied species | Year |
|---|---|---|---|
| Wadi-Alkhitan: 1100 masl∗, Wild forest | A. tortilis | 2012 | |
| A. ehrenbergiana | 2012 | ||
| A. asak | 2012 | ||
| A. johnwoodii | 2014 | ||
| A. oerfota | 2014 | ||
| Al Baha- | Wadi-Berha: 1750 masl, Wild forest | A. etbaica | 2013 |
| Beljurashi: 2200 masl, Wild forest | A. origena | 2013 | |
| L. dentate | 2013 | ||
| L. pubescens | 2013 | ||
| N. deflersiana | 2013 | ||
| O. fruticosa | 2013 | ||
| Riyadh | Rawdhat-Khoraim: 570 masl, subtropical oasis | A. gerrardii | 2012 |
| Educational Farm of KSU∗: 650 masl, irrigated farm | Z. nummularia | 2012 | |
| Z. spina-christi | 2011 | ||
∗
Masl refers to elevation in meters above sea level.
∗
KSU refers to King Saud University, Saudi Arabia.