Asplenium serratum
A neotropical bird's-nest fern with a rosette of undivided, strap-shaped fronds with finely toothed edges, growing on tree trunks, logs and limestone in humid lowland forest from Florida and Mexico to Paraguay and northeast Argentina. It is a shade plant of the forest interior, so it wants warmth, very humid air and an airy epiphytic root zone.
Where it grows wild
An epiphyte, sometimes lithophytic, on tree trunks, rotting stumps, fallen logs and eroded limestone. Herbarium labels from Brazil and Colombia describe it low on trunks, often under 2 m from the ground, in shaded dense rainforest understorey and along trails and waterfalls.
Recorded from sea level to 3700 m, median 209 m (421 records); it is overwhelmingly a lowland plant, and records above about 1500 m are unusual.
π Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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 3.0 licence, unmodified.