Common nameAdder's tongue Ophioglossum vulgatum © Natural History Museum Latin names ClassPsilotopsida OrderOphioglossales FamilyOphioglossaceae GenusOphioglossum Speciesvulgatum Geographic details HabitatWide range Soil typealkaline DistributionThroughout British Isles NativeYes General Plant heightsmall BranchedNo Plant colourmid-green Habitcolonial, lvs erect Conservation statusnot threatened Wikimedia Urlhttps://en.wikipedia.org/wiki/Ophioglossum_vulgatum Leaf details Separate fertile leavesYes Fertile leaf shapeSpike Sterile leaf shapeovate to ovate-lanceolate Pinnaeno pinnae WintergreenNo Spore details HomosporeYes Rhizome details Rhizome descriptioncolonial creeping stolons Rhizome positionupright Indusium details Indusium presentNo