Common nameRobust Scaly Male Fern Dryopteris affinis robusta © Natural History Museum Latin names ClassPteridopsida OrderPolypodiales FamilyAspidiaceae GenusDryopteris Speciesaffinis Subspeciesrobusta Alternative Family nameDryopteridaceae Geographic details HabitatWoodland, open hill, scree Soil typealkaline DistributionThroughout British Isles NativeYes General Plant heightlarge BranchedNo Stipe descriptionscaly Habitlvs shuttlecock Conservation statusnot threatened Leaf details Separate fertile leavesNo Leaf shapeovate-lanceolate Pinnae1-pinnate-pinnatisect WintergreenNo Spore details HomosporeYes Rhizome details Rhizome descriptionshort Rhizome scalesgold, dark base Rhizome positionerect Sori details Sori shapekidney Sori placein row either side of midrib Indusium details Indusium presentYes Indusium shapekidney Indusium descriptionthin, low