home introduction ferns clubmosses & quillworts fern index glossary resources

Links to genera

Ferns and Horsetails (Monilophytes)
Clubmosses and Quillworts (Lycophytes)
Gymnocarpium robertianum  •  Limestone Oak Fern
Gymnocarpium robertianum (Hoffm.) Newman; Thelypteris robertiana (Hoffm.) Slosson; Limestone Oak Fern
Cumbria, August. Plants in limestone pavement, with Hartstongue Fern
Frond. Cumbria, early July Frond. Cumbria, August
Frond. Derbyshire, May Frond. Derbyshire, May
Underside of frond showing mature sori. Cumbria, July Mature sori showing individual sporangia. Cumbria, July
Cumbria, July Cumbria, early July
Derbyshire, May Derbyshire, May
Cumbria, August Cumbria, August
Cumbria, early July  
© Text, images and design copyright Roger Golding unless otherwise stated. Contact e-mail: rg@rogergolding.co.uk