Plant Identification Database:
Osmundaceae (Royal Fern)

The plant data on this site are a record of Bob Ronnow's field observations
which vary in accuracy and change with experience. For accurate and complete
information please use the links provided for each plant species and family.

Wikipedia Glossary of Botanical Terms
Calflora Botanical Terms
The Virtual Field Herbarium

Common Name
Scientific Name
LV: Arrangement
LV: Attachment
LV: Shape
LV: Size
LV: Form
LV: Edge
LV: Apex
LV: Base
LV: Surface
LV: Venation
LV: Color
FL: Parts
FL: Color
FL: Arrangement
FL: Position
FL: Size
FL: Season
FL: Petals
FL: Sepals
FL: Stamen
FL: Pistil
FL: Ovary
FR: Type
FR: Size
FR: Seed
FR: Color
FR: Season
BU: Scales
BU: Arrangement
BU: Color
BU: Shape
BU: Leaf Scars
ST: Type
ST: Size
ST: Growth
ST: Surface
ST: Color
ST: Pith
ST: Roots
EC: Edible
EC: Habitat
EC: Observations
Osmundaceae (Royal fern) Osmundales Pteridophyta
Cinnamon fern Osmunda cinnamomea Osmunda Osmundaceae (Royal fern) Osmundales Pteridophyta
Interrupted fern Osmunda claytoniana Osmunda Osmundaceae (Royal fern) Osmundales Pteridophyta Basal; Opposite (leaflets) Lanceolate; Lanceolate (leaflets) >12"; >1" (leaflets) Pinnate (2Cut); Parted (leaflets) Entire Acute; Rounded (lobe) Acute; Truncate (leaflets) Forked fertile leaves (fern) Brown Along stem Spore (moss, clubmoss, fern) Green Fern Erect; Assurgent (ascending at an angle) Forest
Royal fern Osmunda regalis Osmunda Osmundaceae (Royal fern) Osmundales Pteridophyta Basal; Alternate (leaflets) Petiole short (<1/2 leaf length) (leaflets) Lanceolate;Oblong (leaflets) >12" Pinnate (2Cut); Whole (leaflets) Entire Rounded (leaflets) Rounded (leaflets) fertile leaves (fern) Brown Terminal Spore (moss, clubmoss, fern) Green Summer Fern >1' Wetland; Riparian ME - Lake Rockabema