Salix prolixa Andersson  

Family: Salicaceae

MacKenzie's willow

[Salix cordata var. mackenzieana Hook., moreSalix eriocephala ssp. mackenzieana (Hook.) Dorn, Salix eriocephala var. mackenzieana (Hook.) Dorn, Salix mackenzieana (Hook.) Barratt ex Andersson, Salix mackenzieana var. macrogemma C.R. Ball, Salix rigida ssp. mackenzieana (Hook.) A.E. Murray, Salix rigida var. mackenzieana (Hook.) Cronquist, Salix rigida var. macrogemma (C.R. Ball) Cronquist]