Opuntia megacantha f. lasiacantha (Pfeiff.) Schelle, Kakteen: 69. 1926 Opuntia megacantha f. lasiacantha (Pfeiff.) Schelle, Kakteen: 69. 1926is new combination for Opuntia lasiacantha Pfeiff., Enum. Diagn. Cact.: 160. 1837Taxon for this nameOpuntia megacantha f. lasiacantha (Pfeiff.) Schelle