Green Penny Fern ( Lemmaphyllum microphyllum )

Data Sheet

• Scientific Name: Lemmaphyllum microphyllum
• Common Name: Green Penny Fern
• Size: Tiny fronds, usually 1–3 cm long, creeping growth
• Origin: Cultivated (native to East Asia)
• Distribution: China, Japan, Korea, Taiwan
• Temperature Range: 18–25°C
• Care Level: ★★☆☆☆ (2/5 – hardy, beginner-friendly)

Description

The Green Penny Fern ( Lemmaphyllum microphyllum ) is a charming miniature fern, prized for its tiny round fronds that resemble green pennies. Creeping slowly over wood, stone, or moss, it creates a lush, naturalistic look that’s perfect for terrariums, vivariums, and paludariums.

This species thrives in cool to warm, humid environments with indirect light. It prefers to be mounted on cork bark, driftwood, or rock with a moisture-retentive substrate around the roots, though it can also adapt to soil planting in high-humidity enclosures. Its compact size makes it an ideal choice for smaller terrariums or as a delicate accent plant in larger setups.

With its slow growth, miniature fronds, and natural climbing habit, the Green Penny Fern adds subtle beauty and a sense of scale to terrariums, making it a favourite among fern collectors and bioactive hobbyists.

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