Adiantum raddianum
The common maidenhair of Neotropical forest banks, rock crevices and stream edges, from Mexico to Argentina and Uruguay. Its heartland in the records is subtropical southern and southeastern Brazil, with warm wet summers and cool winters. It wants light shade, a root zone that is never allowed to dry and humid, moving air, and it can take a cooler winter.
Where it grows wild
Terrestrial or growing on rock, on forest floors, in rock crevices, on stream and river banks, wet cliffs and seeps, and very often on earth banks along roads and trails. It usually grows in light shade and is common in disturbed but moist sites as well as undisturbed forest.
Recorded elevations run from sea level to about 3,200 m, with a median of 725 m. It is mostly a lowland-to-submontane plant, extending into cooler montane forest in the Andes.
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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.