EntityQ5201283· pop 7· linked from 9 articlesCystopteris protrusaSign in to savespecies of plantSpeciesSPECIESKingdomPlantaePhylumTracheophytaClassPolypodiopsidaOrderPolypodialesFamilyCystopteridaceaevia GBIFConnectionsCystopterisEntityNorth AmericaEntityCategoriesCystopterisFerns of CanadaFerns of the United StatesNatureServe secure speciesPlants described in 1935Taxonbars with 20–24 taxon IDsTaxonbars with automatically added basionyms