Gymnocalycium netrelianum subsp. albidulum Prestlé in Gymnocalycium 33: 1361-1362. 2020 Gymnocalycium netrelianum subsp. albidulum Prestlé in Gymnocalycium 33: 1361-1362. 2020Taxon for this nameGymnocalycium netrelianum subsp. albidulum Prestlé