Adiantum ciliatum
A small, trailing maidenhair fern of tropical and subtropical Asia (also known as Adiantum malesianum) that grows on shaded limestone rocks, cliff bases, karst forest and old walls. Its narrow, once-divided fronds often root at the tips, so it creeps across rock faces. It is a tough, low-elevation species that wants constant light moisture, shade and a limy, free-draining footing rather than a bog.
Where it grows wild
Grows at the foot of rocks, on limestone outcrops and cliff faces, in karst evergreen and broadleaf forest, and commonly on old mortared city walls and roadside banks. Herbarium labels repeatedly mention limestone and semishaded positions; urban records from Hong Kong, Macau and Guangdong are on walls and masonry.
Specimen labels run from sea level to about 1520 m, with most between roughly 100 and 800 m.
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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.