Lobivia arachnacantha var. densiseta Rausch in Kakteen And. Sukk. 21: 45. 1970
Lobivia arachnacantha var. densiseta in Kakteen And. Sukk. 21: 45. 1970
is basionym for Echinopsis arachnacantha subsp. densiseta in Cactaceae Syst. Init. 13: 16. 2002
is basionym for Echinopsis arachnacantha var. densiseta in Kakteen And. Sukk. 25: 82. 1974