59. 阿富汗杨
名称文献：Populus afghanica (Ait. et Hemsl.) Schneid. in Sarg. Pl. Wils. 3: 36. 1916; Hao in Contr. Inst. Bot. Nat. Acad. Peiping, 3: 232. 1935.——P. nigra L. var. afghanica Ait. et Hemsl. Journ. Linn. Soc. Bot. 18: 96. 1880; Kom. Fl. URSS, 5: 230. 1936.——P. usbekistanica Kom. ssp. usbekistanica cv. 'afghanica' W. Bugala, in Arbor. Kornickie, 12: 164. 1967.