Microsorum siamense

A little-known Microsorum fern from the far south of peninsular Thailand, known from a single wild record near the Malaysian border. Grow it like other lowland Malesian Microsorum: warm, humid, bright shade, and an open, airy root run that never dries out completely.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodGrows on trees (epiphyte)

Where it grows wild

The only record is from lowland to hill rainforest in Yala or Narathiwat province. Microsorum there typically creep over tree trunks, rocks or stream banks in humid forest; the exact habit of this species is not documented.

No elevation recorded; the measured site is at about 60 m, though the surrounding hills reach well above 1,000 m.

Thailand (peninsular south)

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.