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Gymnocarpium dryopteris

Common nameOak Fern
Gymnocarpium dryopteris Oak Fern
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Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyAspidiaceae
GenusGymnocarpium
Speciesdryopteris
Geographic details
Habitatcool moist open woodland, mountain streams
Soil typetolerant
DistributionSW W England Ireland Wales
NativeYes
General
Plant heightmedium
BranchedNo
Plant colourmid-green
Habitlarge clonal colonies, lvs single
Conservation statusnot threatened
Leaf details
Separate fertile leavesNo
Leaf shapetriangular
Pinnae2-pinnate-pinnatisect
WintergreenNo
Spore details
homosporeYes
Rhizome details
Rhizome descriptionslender branching
Rhizome scalescolourless
Rhizome positioncreeping
Sori details
Sori shaperound
Sori placementalong vein
Indusium details
indusium presentNo