Common nameAcute-leaved Spleenwort Asplenium onopteris © Natural History Museum Latin names ClassPteridopsida OrderPolypodiales FamilyAspleniaceae GenusAsplenium Speciesonopteris Geographic details Habitatlowland;light shade; scrub Soil typeneutral DistributionSW Ireland NativeNo General Plant heightsmall BranchedNo Plant colourmid-green Stipe descriptionglabrous; black -> red-brown Habitloose tuft Conservation statusRare Wikimedia Urlhttps://en.wikipedia.org/wiki/Asplenium_onopteris Leaf details Separate fertile leavesNo Leaf shapeovate-triangular Pinnae3-pinnate WintergreenYes Spore details HomosporeYes Rhizome details Rhizome descriptionshort Rhizome scalestriangular-lanceolate Rhizome positioncreeping Sori details Sori shapeoblong Sori placeon lateral veins closer to midrib Indusium details Indusium presentYes Indusium shapelinear-oblong Indusium descriptionentire