Soehrensia shaferi (Britton & Rose) Schlumpb. in Willdenowia 51: 265. 2021 Soehrensia shaferi (Britton & Rose) Schlumpb. in Willdenowia 51: 265. 2021is new combination for Trichocereus shaferi Britton & Rose, Cactaceae 2: 144. 1920Taxon for this nameSoehrensia shaferi (Britton & Rose) Schlumpb. in Willdenowia 51: 265. 2021