Matucana krahnii (Donald) Bregmann in Kakteen And. Sukk. 37: 253. 1986
Matucana krahnii in Kakteen And. Sukk. 37: 253. 1986
is new combination for Borzicactus krahnii in Cact. Succ. J. (Los Angeles) 51(2): 52. 1979
Matucana krahnii in Kakteen And. Sukk. 37: 253. 1986