Farmsteads and hamlets are protected by old walls from which spleenwort and polypody ferns grow.
From the guardian.co.uk
Scaly male ferns add to the greenness of holly and ivy, mossy trunks are bedecked with pennywort and polypody.
From the guardian.co.uk
Polypody ferns on rocks rolled up their fronds, dog's mercury under trees were flat out exhausted, pasture grasses looked battered because there was so little growth following the grazing.
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Any of numerous ferns of the genus Polypodium
Polypodiaceae is a family of polypod ferns, which includes more than 60 genera divided into several tribes and containing around 1,000 species. Nearly all are epiphytes, but some are terrestrial. ...