Brittonrosea lloydii (Britton & Rose) Speg. in Anales Soc. Ci. Argent. 96: 69. 1923 Brittonrosea lloydii (Britton & Rose) Speg. in Anales Soc. Ci. Argent. 96: 69. 1923is new combination for Echinofossulocactus lloydii Britton & Rose, Cactaceae 3: 113. 1922Taxon for this nameBrittonrosea lloydii (Britton & Rose) Speg.