Polypodium - Polypodiaceae

Polypodium cambricum L.






Common name

Southern polypody, Welsh polypody.


Rhizome creeping, branching, whitish waxy, to 5 mm diameter; rhizome scales lanceolate in outline, red-brown, to 16 mm long. Fronds 30 x 12 cm, monomorphic, blade/stipe ratio: 2:1. Stipe jointed at base, straw-colored, glabrous. Lamina pinnatifid, small fronds triangular in outline, larger ones broadly oval in outline, leathery or herbaceous, pale-green or yellow-green in the open, mid-green in shade, hairless. Pinnae 9 to 18 pair, alternate, longest pinnae soon above the base, margins toothed, veins free, forking. Sori oval to round, discrete, visible on the upper surface, midway between margin and midrib, on the upper half of the lamina; indusium absent.



cambricum: from Cambria, an earlier name for Wales.


On calcareous rock, mortared walls, sometimes epiphytic on oaks, often coastal.

Distribution worldwide

Europe, Africa.

Distribution in Africa

Algeria, Morocco and Western Sahara, Tunesia.

Growth form



  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 163.
  • Stuart, T. (2004-) Hardy Fern Library. Published on the internet: http://hardyfernlibrary.com/ferns/home.cfm. Page 0.