Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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Gymnocarpium robertianum • Limestone Oak Fern
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Gymnocarpium robertianum (Hoffm.) Newman; Thelypteris robertiana (Hoffm.) Slosson; Limestone Oak Fern
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Frond. Cumbria, early July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum7sm.jpg) | Frond. Cumbria, August |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum2sm.jpg) |
Frond. Derbyshire, May |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumYG3sm.jpg) | Frond. Derbyshire, May |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumYG2sm.jpg) |
Underside of frond showing mature sori. Cumbria, July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumMH2sm.jpg) |
Mature sori showing individual sporangia. Cumbria, July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumMH3sm.jpg) |
Cumbria, July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumMH1sm.jpg) |
Cumbria, early July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum5sm.jpg) |
Derbyshire, May |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumYG1sm.jpg) |
Derbyshire, May |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianumYG4sm.jpg) |
Cumbria, August |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum3sm.jpg) |
Cumbria, August |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum4sm.jpg) |
Cumbria, early July |
![](../../fernimages/fern_photographs/gymnocarpium/robertianum/robertianum6sm.jpg) |
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