struthiopteris spicant,blechnum spicant, hard-fern or deer fern in the family blechnaceae

struthiopteris identification biodiversity sporebearing blechnaceae spainforest undergrowth shadeloving ornamental vegetation ecosystem diversity evergreen blechnum hardfern asturias woodland european spicant rosette species biology family forest plants mosses nature leaves botany plant salas spain flora frond deer fern wild moss