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Species library › Asplenium › Asplenium cariocanum
Ferns Well documented

Asplenium cariocanum

Asplenium cariocanum is a small epiphytic spleenwort of the Atlantic Forest in Rio de Janeiro state, Brazil. Specimen labels repeatedly record it on the trunks of tree ferns (Cyathea corcovadensis, Alsophila), often within 50 cm of the ground, in shaded, humid forest. Grow it mounted on tree-fern fibre in a humid, shaded terrarium.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows on trees (epiphyte)

Where it grows wild

Dense humid Atlantic Forest (Floresta Ombrófila Densa). It is epiphytic, especially on tree-fern trunks near the ground, in shaded, damp places along trails. Labels describe it as shade-loving to semi-shade-loving.

Recorded at 656–950 m, median 660 m, in the Serra do Mar and Tijuca massifs.

Brazil (Rio de Janeiro)

🔒 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.