Mesembryanthemum cordifolium, formerly known as Aptenia cordifolia, is a species of succulent plant in the family Aizoaceae. It is a creeping plant that forms a carpet of flat-growing perennial herbs
The Aizoaceae, or fig-marigold family, are a large family of dicotyledonous flowering plants containing 135 genera and about 1,800 species. Several genera are commonly named ice plants or carpet weeds
Mesembryanthemum guerichianum seedling, showing the epidermal bladder cells that inspired the name "ice plant"