Synonyms for king fern in the sense of this definition

• ditch fern
• french bracken
• osmunda regalis
• royal fern
• royal osmund

(king fern is a kind of ...) any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters

• flowering fern
• osmund

Synonyms for king fern in the sense of this definition

• crepe fern
• todea barbara

(king fern is a kind of ...) any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores

• fern

(... is a member of king fern) a genus of delicate ferns belonging to the family Osmundaceae

• genus todea
• todea