Common nameSmall adder's tongue Ophioglossum azoricum © Natural History Museum Latin names ClassPsilotopsida OrderOphioglossales FamilyOphioglossaceae GenusOphioglossum Speciesazoricum Geographic details HabitatMaritime Soil typealkaline DistributionN and W Britain NativeYes General Plant heightsmall BranchedNo Plant colourmid-green Habitcolonial, lvs erect Conservation statusvulnerable Wikimedia Urlhttps://en.wikipedia.org/wiki/Ophioglossum_azoricum Leaf details Separate fertile leavesYes Fertile leaf shapeSpike Sterile leaf shapeovate to elliptic-lanceolate Pinnaeno pinnae WintergreenNo Spore details HomosporeYes Rhizome details Rhizome descriptioncolonial creeping stolons Rhizome positionupright Indusium details Indusium presentNo