1. Bearing or producing or containing calcium or calcium carbonate or calcite

See also: calcium

• genus Macrotyloma
• genus Macrozamia
• genus Macrozoarces
• genus Madia
• genus Madoqua
• genus Maeandra
• genus Magicicada
• genus Magnolia
• genus Mahonia
• genus Maia
• genus Maianthemum
• genus Maja
• genus Majorana
• genus Makaira
• genus Malaclemys
• genus Malacosoma
• genus Malacothamnus
• genus Malaxis
• genus Malcolmia
• genus Mallotus
• genus Malope
• genus Malopterurus
• genus Malosma
• genus Malpighia
• genus Malus