Monosolenium tenerum

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Monosolenium tenerum has been made popular as a freshwater aquarium plant by Tropica [1]. It was wrongly given the name Pellia or Pelia. This rare and liverwort plant originates in Asia. In cultivation, it is often grown as a sinking carpet or foreground plant for an aquascaped aquarium. It does not have true roots, stems or leafs but it grows by branching its flat fleshy thalli (see photos here: [2] Aquarist often tie the plant to wood or rock or other aquarium decor to allow a controlled localised plant growth. Depending on water chemistry, its thalli can adopt different growth size and patterns. In optimum condition, thalli can reach widths of 0.5-1.0cm and branch every 1 to 1.5cm. In less optimum conditions (eg., lack of dissolved CO2), thalli become thinner and adopt a more elongated branching pattern.