Echinocactus pilosus var. pringlei Coult. Dataset The Plant List with literature Rank VARIETY Published in Contr. U. S. Natl. Herb., 3: 365, 1896 Classification kingdom Plantae family Cactaceae genus Ferocactus species Ferocactus pilosus Name Homonyms Echinocactus pilosus var. pringlei Coult.