Microsorum Siamense is a Microsorum species native to Thailand and the surrounding region. Microsorum is a genus of roughly 60 epiphytic fern species across Asia, Australia, and the Pacific, related to the well-known Microsorum punctatum (Kangaroo Fern) and Microsorum musifolium (Crocodile Fern), valued for simple, often leathery or textured fronds.
Note: as a freshly imported bare-root plant, this specimen typically arrives with just a few leaves — the photo shows a more mature, fuller specimen for reference.
Care tip: Give it consistent humidity and airflow rather than direct sun — like most understory ferns, it burns easily in bright light but suffers in stagnant, poorly ventilated conditions.
Give it bright, indirect light, 60-80% humidity, and a well-draining, humus-rich fern mix. Keep evenly moist; avoid waterlogging
As with all locality-named or informally identified fern finds, exact appearance and mature growth habit will vary — the photo shows a mature reference specimen — your bare-root plant will typically be smaller. Southeast Asian fern diversity remains under active documentation, and finds like this one reflect the genuinely wide range of texture and form found across the region's forest floor and epiphytic fern flora.
| Difficulty | Intermediate |
| Light | Bright, indirect light |
| Humidity | 60-80% |
| Watering | Keep evenly moist; avoid waterlogging |
| Temperature | 65-85F (18-29C) |
| Soil | Well-draining, humus-rich fern mix |
| Fertilizer | Diluted balanced fertilizer during active growth |
| Origin | Thailand |
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