Common nameMountain Bladder Fern Cystopteris montana © Natural History Museum Latin names ClassPteridopsida OrderPolypodiales FamilyAthyriaceae GenusCystopteris Speciesmontana Alternative Family nameCystopteridaceae Geographic details Habitatwet alpine N-facing Soil typealkaline DistributionW Scotland NativeYes General Plant heightmedium BranchedNo Habitlvs single Conservation statusvulnerable Wikimedia Urlhttps://species.wikimedia.org/wiki/Cystopteris_montana Leaf details Separate fertile leavesNo Leaf shapeovate-triangular Pinnae2-4-pinnate-pinnatisect WintergreenNo Spore details Spore descriptionrounded protuberances HomosporeYes Rhizome details Rhizome descriptionslender branching Rhizome scalesfringed with glands Rhizome positioncreeping Sori details Sori shapeovoid Sori placeon lateral veins closer to midrib Indusium details Indusium presentYes Indusium shapeovoid Indusium descriptionacute or lacerate at apex