Osmunda spectabilis or (American) royal fern is a species of fern doubtfully different from Osmunda regalis. Recent genetic studies have raised it from variety/subspecies to separate species.
Tag: Osmunda spectabilis
Osmunda spectabilis or (American) royal fern is a species of fern doubtfully different from Osmunda regalis. Recent genetic studies have raised it from variety/subspecies to separate species.