Adiantum mathewsianum

A South American maidenhair of the seasonally dry interior, recorded from Peru and Bolivia to Paraguay and southern and central Brazil. Almost nothing is published on its ecology, so this profile builds on the measured climate: hot, humid summers and a distinctly dry winter, which a forest-floor fern meets in shaded ravines and gallery forest.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Probably terrestrial in shaded semi-deciduous and gallery forest, on banks and slopes where the soil stays moist through the dry season. This is inferred from the climate and from related interior-Brazilian Adiantum, not from a habitat description.

Recorded from 100 to 1700 m, median 340 m (40 records).

BoliviaBrazil SouthBrazil SoutheastBrazil West-CentralParaguayPeru

🔒 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.