Characteristics
Pteridophytes
Osmunda spectabilis Willd.
Royal Fern; American Royal Fern
fern
6
**
Native
AGCP (OBL), EMP (OBL) (NWPL)
Armaments
No
Duration
Perennial
General Ecology
Aquatic; Mudflat/Wet Woods
Growth Habit
fern
Leaf Arrangement
basal
Leaf Complexity
compound
Leaf Dissection
2
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
petiolate
Leaf Type
fern-like
Leaf Venation
pinnate
Leaflet Margins
entire; erose
Leaflet Number
>20
Moisture Requirements
Mesic; Hydric; Inundated
Parent Rock
Calcareous; Chert; Limestone
Soil Composition
Mineral
Soil pH
Alkaline; Circumneutral
Unconsolidated Rock
Yes
Unconsolidated Size Class
Clay
Woody Herbaceous
Herbaceous
Classification
Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.
Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.
Ecoregions
Southeastern Plains
-
Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau
Interior Plateau
-
Bluegrass Region
Nashville Basin
Pennyroyal Karst Plain
Western Highland Rim
Eastern Highland Rim
Interior River Valleys and Hills
-
Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected:
Plant Photos
