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

Asplenium dielerectum

A critically endangered spleenwort endemic to the Hawaiian Islands, long known as Diellia erecta. It forms a small tuft of three to nine lance-shaped fronds 20–70 cm long. It is a conservation plant rather than a hobby plant, and anyone who legally holds it should grow it as a shaded, humid forest-floor fern.

Asplenium dielerectum
Photo: Nom. rev., CC BY 4.0, via Wikimedia Commons
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 in the ground

Where it grows wild

A terrestrial fern of Hawaiian forest, growing in humus and leaf litter on shaded, often steep slopes. Wild populations are now very small and scattered.

No reliable elevation range was found in the sources consulted. Hawaiian mesic to wet forest ferns of this kind generally grow at middle elevations, where temperatures are mild rather than hot.

Hawaiian Islands

🔒 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. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.