Marsilea Hirsuta

Marsilea Hirsuta

Marsilea Hirsuta is a fascinating Australian Marsilea species that displays remarkable leaf variability — under low light the four-lobed clover form may reduce to two lobes or even a single lance-shaped leaf, while under higher light the full four-lobed clover form develops clearly. This morphological variability makes Marsilea Hirsuta both botanically interesting and practically useful, as the plant stays naturally low and carpet-like regardless of which leaf form is expressed.

Care tip: Marsilea Hirsuta grows best in high lighting with CO₂ recommended. Maintain temperatures of 64–78°F and pH 5.5–7.5. Regular fertilization supports healthy growth.

Growing to 1 to 4 inches depending on conditions, Marsilea Hirsuta creates a low, organic foreground carpet that spreads via creeping rhizomes. The carpet develops gradually and irregularly — creating natural, organic coverage rather than the precise, planted look of grass carpets. One of the easier Marsilea species for aquarium carpeting, with good adaptability to varying conditions.

This easy plant grows under high lighting with CO₂ recommended for the fastest, most complete carpet development and the fullest four-lobed leaf expression. The cooler temperature preference of 64 to 78°F reflects the Australian origin — a consideration for tropical tanks running above 78°F. A pH of 5.5 to 7.5 provides comfortable conditions. The leaf variability responds directly to light level — a useful indicator of tank conditions.

In the aquascape, Marsilea Hirsuta creates a naturally organic, botanically interesting foreground carpet whose leaf variability adds an element of living botanical response to the composition. The four-lobed clover form under higher light creates a distinctive foreground texture different from grass carpet plants. In Australian biotope setups it is a native and botanically appropriate foreground species.

Marsilea Hirsuta is an easy-care and botanically fascinating Australian foreground plant for aquarists who appreciate the organic, variable character of Marsilea carpeting. Its leaf variability and easy temperament make it one of the more practically accessible and naturally interesting Marsilea species available.

Care & Specifications