The collection of plants was made during the summer of 1879 in Afghanistan territory, along the left bank of he Kuram river from Thal to Pewar kotal. It consists of 15,000 specimens, belonging to 950 species.
Aitchison, J. E. T. On the flora of the Kuram Valley &c., Afghanistan, 1881-1882. 1-113, 139-200 p.,  leaves of plates, (some folded), folded map
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