Boissier, Flora, vol. H, p
2. « Phœnicis patria in Asia... omnis est Arabiae Persidisque tractus, qui ab India adrubrum mare protenditur. » Kaempfer, Amcenilaies exoticae, p. 669.
3. Ern. Aycoghe Ployer, Unexplored Balûchislan. A survey with observations asironomical, geographical, botanicaL etc. London, 1882, in-8, p. 23. — Aitchison, Notes, p. 138.