Plantae > Tracheophyta > Magnoliopsida > Caryophyllales > Cactaceae > Mammillaria > Mammillaria crucigera Mammillaria crucigeraSynonyms: Cactus curvispinus; Mammillaria cubensis (homotypic); Mammillaria curvispina; Mammillaria curvispina var. parviflora; Mammillaria falsicrucigera
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