Populus × xiaohei T.S.Hwang & Y.Liang nothovar. gansuensis (Z.Wang & H.L.Yang) C.Shang comb. et stat. nov.

Basionym:— Populus × gansuensis Z.Wang & H.L.Yang in in Wang & Dong (1982: 106). Parental taxa: Populus nigra Linnaeus var. thevestina (Dode 1905: 210) Bean (1914: 217) × Populus simonii Carrière.

Type:— CHINA. Gansu: Wuwei, 3 Apr 1979. Yang Xi-Lin 79014 ♀ (lectotype: LZD barcode 02727 [image!], designated here; isolectotype: LZD barcode 02725 [image!]) .