Description: Terrestrial plants; rhizome erect or creeping, covered with non-peltate, non-clathrate scales; stipes not articulated to the rhizome.
Fronds mostly 1–4-pinnate, sometimes dimorphic, vernation circinate; veins free or anastomosing.
Sori either covering the surface of the fertile pinnae or linear and submarginal, true indusium absent, but a false indusium formed by the recurved margin of the lamina.
Distribution and occurrence: World: 5 genera, c. 300 species, tropical & temperate regions. Australia: 2 genera, 12 species, all States.
Text by Peter G. Wilson
Taxa not yet included in identification key
| ||Key to the genera|| |
|1||Sporangia covering the lower surface of the fertile pinnae; plants growing in brackish swamps||Acrostichum|
|Sporangia in linear, submarginal sori; plants never growing in brackish situations||Pteris|