Neolloydia conoidea var. grandiflora (Otto ex Pfeiff.) Kladiwa & Fittkau in Krainz, Kakteen 42: VIII b. 1971
Neolloydia conoidea var. grandiflora in Krainz, Kakteen 42: VIII b. 1971
is new combination for Mammillaria grandiflora, Enum. Diagn. Cact.: 33. 1837