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Species library › Asplenium › Asplenium douglasii
Ferns Partly documented

Asplenium douglasii

A spleenwort of south-eastern Brazil described by Hooker and Greville in 1829, with 42 wild records mostly below 300 m in the Atlantic Forest. It wants warm, humid shade with a drier, milder winter.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Lowland Atlantic Forest of south-eastern Brazil; the habit is not recorded in reachable sources, and it is treated as a forest shade fern.

Recorded at 30–965 m, median 180 m (12 records).

Brazil Southeast

🔒 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.