I.  Darbyshire, Kordofani, M., Farag, I., Candiga, R., ? Pickering, H. A., ??????, The plants of Sudan and South Sudan: an annotated checklist. Royal Botanic Gardens, Kew, 2015.

I.  Darbyshire, Kordofani, M., Farag, I., Candiga, R., ? Pickering, H. A., ??????, The plants of Sudan and South Sudan: an annotated checklist. Royal Botanic Gardens, Kew, 2015.