Marsilea Hirsuta

Marsilea hirsuta is a small aquatic plant in the family Marsileaceae (a fern relative), native to Australia. The emersed leaves closely resemble four-leaf clovers, but the submerged form exhibits an intriguing dimorphism where leaves reduce to approximately one to two leaflets depending on conditions. Its very slow growth rate makes it easy to maintain its shape long-term as a foreground carpet plant. Popular as an easy-to-handle foreground plant for beginners due to its hardiness—growing without CO2 in low to medium light conditions. It spreads by runners at a gentle pace, eliminating the need for frequent trimming. Shallow root growth makes it compatible with both soil and sandy substrates. The charming four-leaf clover appearance brings a natural, whimsical quality to aquarium settings.

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