Ключевые слова: america, american, arid, background, ball, balls, barrel, barrels, cactaceae, cacti, cactus, cactuses, closeup, cluster, clustered, clustering, cultivated, cultivation, cushion, cushions, desert, dry, echinocactus, echinocactus grusonii, endangered, exotic, flowering, garden, gardening, golden, grusonii, horticulture, mexican, mexico, mother in law, mother in law39, mother in laws, nature, plant, plants, popular, s, specie, species, threatened, tropical, wild,