- ↑ EoL, 2012Encyclopedia of Life, version of 20 Hunyo 2012. Digital resource at http://eol.org
- ↑ Danin A. (ed.), 2006-2013Flora of Israel Online. Digital resource at http://flora.huji.ac.il Ginhipos 2006-08-28 han Wayback Machine
- ↑ 3.0 3.1 Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 26 Mayo 2014.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)