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Plants / Epiphytes
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Epiphytes · Tough

Bolbitis 'Difformis'

Bolbitis difformis

Dwarf Philippine fern (from Negros) with finely pinnate, parsley-like leaves on creeping rhizomes, forming carpets up to about 7 cm tall when grown emersed. Under water it grows extremely slowly with smaller, coarser leaves. Best in paludaria and terraria.

Needs

Care levelModerate
LightLow
CO₂Unknown
GrowthSlow
HeightUp to 7 cm
Temperature23–28 °C
WhereTied to wood or rock
Feeds throughLeaves, from the water
FamilyPolypodiaceae
Native toPhilippines (Negros, near Lake Balinsasayao)
Facts checked against sources on 16 Oct 2026. See sources

How to keep it

  • Tie to lava rock or wood with thread
  • Best kept emersed or in the moist zone of a paludarium (moist but not waterlogged substrate)
  • Expect very slow growth under water
  • Expecting a fast, large fern in a standard aquarium

Don't bury it. Tie or glue it to wood or rock.

Sources

13 facts checked with sources