Scientific name

Acrostichum L.

Common names

leather fern, leather swamp fern, mangrove fern



Similar genera

Blechnum, Bolbitis, Sium

Native distribution

tropical and subtropical regions worldwide

Species cultivated

Acrostichum danaeifolium Langsd. & Fisch.

A. aureum L.

A. speciosum Willd.

Adventive distribution

information not available

Weed status

not weedy


halophytic, semi-aquatic ferns

Brief description

Perennial, medium to large fern; rhizome erect, with scales. Fronds large, clustered, ± arching to erect, leathery; stipe glabrous, usually grooved; blade overall oblong; pinnae stalked, crowded to distant, narrowly oblong to lanceolate, margin entire.

Natural habitat

in nearly water logged soil, brackish conditions, mangrove swamps, salt marshes, low hammocks; along lakes, canals, and ponds

Additional comments

Acrostichum comprises between 3 and 20 species, depending on the author: Acrostichum danaeifolium, A. aureum, and A. speciosum are the most widely accepted species.