Species library › Asplenium › Asplenium aequibasis
Ferns Little published: much of this is inferred from related species

Asplenium aequibasis

A spleenwort of the remote Tristan da Cunha and Gough Island group in the South Atlantic, found on mountain slopes and among rocks. Its climate is cool, windy, cloudy and wet all year. Almost nothing is published on its cultivation; grow it cool and humid with good air movement.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
No rest periodGrows on rock (lithophyte)

Where it grows wild

Among rocks on mountain slopes and ridges; one label from Nightingale Island records it between rocks below the peak at 275 m.

Records reach 275 m on Nightingale Island; other localities (Gough Island above Transvaal Bay) are also on slopes.

Tristan da CunhaGough Island

🔒 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.