Monte Carlo Common name: Monte Carlo Scientific name: Micranthemum Tweediei Origin: South America, Argentina Maximum height: 2" Placement: Foreground Propagation: Cuttings, Split pH: 6.5-7.6 Temperature: 74-82F Light requirements: Low/Medium CO2 Requirements: Low Growth rate: Moderate Care level: Very Easy Kingdom: Plantae Family: Linderniaceae Genus: Micranthemum Species: M. Tweediei Also known as: Tweedie's Pearlweed, Large Pearlgrass, Bacopita.