@article {544, title = {Phylogenetic relationships within Zygophyllaceae based on DNA sequences of three plastid regions with special emphasis on Zygophylloideae.}, journal = { Systematics of Botany }, volume = {25: }, number = {371-384.}, year = {2000}, author = {Sheahan, M. C., and M. W. Chase} } @book {243, title = {Flora of the Kingdom of Saudi Arabia, Illustrated: Volume II}, number = {pt. 3}, year = {2000}, note = {(Saudi Arabia)}, publisher = {Ministry of Agriculture \& Water, National Herbarium}, organization = {Ministry of Agriculture \& Water, National Herbarium}, author = {Chaudhary, S.A. and Ma'shabah al-Waṭaniyah and Markaz al-Waṭani li-'Abh{\={a}}th al-Zir{\={a}}'ah wa-al-Miy{\={a}}h} } @book {244, title = {Flora of the Kingdom of Saudi Arabia Illustrated}, number = {v. 2, no. 1}, year = {2000}, note = {(Saudi Arabia)}, publisher = {Ministry of Agriculture \& Water}, organization = {Ministry of Agriculture \& Water}, author = {Chaudhary, S.A. and Ma'shabah al-Waṭaniyah and Markaz al-Waṭani li-ʾAbh{\={a}}th al-Zir{\={a}}'ah wa-al-Miy{\={a}}h} } @book {245, title = {Flora of the Kingdom of Saudi Arabia illustrated}, number = {v. 2, pt. 3}, year = {2000}, note = {(Saudi Arabia)}, publisher = {Ministry of Agriculture \& Water}, organization = {Ministry of Agriculture \& Water}, author = {Chaudhary, S.A. and Saudi Arabia. Wiz{\={a}}rat al-Zir{\={a}}'ah wa-al-Miy{\={a}}h and Ma'shabah al-Waṭaniyah and Markaz al-Waṭani li-ʾAbh{\={a}}th al-Zir{\={a}}'ah wa-al-Miy{\={a}}h} }