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Species library › Blechnum › Blechnum roraimense
Ferns Little published: much of this is inferred from related species

Blechnum roraimense

A little-known Blechnum named for Mount Roraima on the Venezuela–Guyana–Brazil border, with no usable wild records in GBIF. By genus and type locality it is a fern of the cool, cloudy, very wet tepui uplands, so treat it as a cool-growing, constantly moist plant.

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 in the ground

Where it grows wild

No species-specific habitat data was found. Tepui Blechnum species usually grow in boggy shrubland, among rocks and in sheltered crevices on sandstone summits and slopes, in near-constant cloud.

Unknown; the name points to the Roraima tepui, where similar ferns grow at roughly 1,500–2,800 m.

VenezuelaGuyanaBrazil North

🔒 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.