Common nameLeast adder's tongue Ophioglossum lusitanicum © Natural History Museum Latin names ClassPsilotopsida OrderOphioglossales FamilyOphioglossaceae GenusOphioglossum Specieslusitanicum Geographic details HabitatMaritime Soil typealkaline DistributionScilly, Guernsey NativeYes General Plant heightsmall BranchedNo Plant colouryellow green Habitcolonial, lvs erect Conservation statusProtected Wikimedia Urlhttps://en.wikipedia.org/wiki/Ophioglossum_lusitanicum Leaf details Separate fertile leavesYes Fertile leaf shapeSpike Sterile leaf shapeelliptic Pinnaeno pinnae WintergreenYes Spore details HomosporeYes Rhizome details Rhizome descriptioncolonial creeping stolons Rhizome positionupright Indusium details Indusium presentNo