Ключевые слова: arboretum, ball, barrel, bay, beautiful, botanical, botany, breeding, by, cactaceae, cactaceous, cacti, cactus, cultivation, danger, dangerous, decoration, desert, dome, echinocactus, ecology, existence, flower, garden, gardening, gardens, golden, green, greenhouse, grow, growth, grusonii, markets, mexican, natural, nature, plant, potted, prickly, round, selling, sharp, spherical, spike, spine, succulents, the, thorns, tropical,