Taxonomic history
1753: Linnaeus described this species as Osmunda regalis in Species Plantarum, 1st ed., p. 1065 of Ray Society 1957 facsimile.
Today: The current name for this species is Osmunda regalis L.
original Latin diagnosis
Osmunda fronde bipinnata apice racemifera.
English translation
Osmunda with a frond bipinnate [and] at the apex raceme-bearing.
| Osmunda | Osmunda |
| with a frond | fronde - ablative singular of third declension feminine noun frons, frondis |
| bipinnate | bipinnata - ablative singular femine of group A adjective bipinnatus, -a, -um; modifies fronde |
| [and] | [added for smoother reading] |
| at the apex | apice - ablative singular of third declension masculine noun apex, apicis |
| raceme-bearing. | racemifera - ablative singular masculine of group A adjective racemifer, racemifera, racemiferum; modifies fronde |