Leptocladia viperina (J.A.Purpus) Buxb. in Oesterr. Bot. Z. 98: 82. 1951 Leptocladia viperina (J.A.Purpus) Buxb. in Oesterr. Bot. Z. 98: 82. 1951is new combination for Mammillaria viperina J.A.Purpus in Monatsschr. Kakteenk. 22: 148. 1912Taxon for this nameLeptocladia viperina (J.A.Purpus) Buxb.