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Pteridium aquilinium

Common nameBracken
Pteridium aquilinium Bracken
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Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyDennstaedtiaceae
GenusPteridium
Speciesaquilinium
Alternative Family nameHypolepidaceae
Geographic details
Habitatopen areas
DistributionThroughout British Isles
NativeYes
General
Plant heightlarge
BranchedYes
Plant colourgrey-green
Rachis descriptionglabrous
Stipe descriptiondark at base -> red-brown to green
Habitupright lvs intermittant
Conservation statusnot threatened
Leaf details
Separate fertile leavesNo
Leaf shapeoblong-lanceolate to ovate-triangular
Pinnae2-3-pinnate-pinnatifid
WintergreenNo
Spore details
homosporeYes
Rhizome details
Rhizome descriptioncolonial branched deep
Rhizome scaleslacking, hairs only
Rhizome positionclumping
Sori details
Sori shapecontinuous round
Sori placementmarginal
Indusium details
indusium presentYes
indus_shapecontinuous round pinnule
indusium descriptionmembranous fringed