Difference between Cinnamon Fern and Osmunda Cinnamonea

CINNAMON FERN vs OSMUNDA CINNAMONEA: NOUN

A coarse fern, Osmunda cinnamomea, found primarily in wet areas.
A fern (Osmunda cinnamomea) found throughout the Americas and in East Asia having narrow, spore-bearing, cinnamon-colored fronds in early spring, which are later encircled by long, pinnately compound, sterile fronds.
New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible

New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible

Sow thistle, Swamp milkweed, Prunus, Buttonbush, Spicebush, Asclepias, Andromeda, Cistus, Fritillaria, Allamanda, Marsh marigold, Monarda, Osmunda cinnamonea, Fiddlehead fern, Fiddlehead

Silky dogwood, Eupatorium, Sow thistle, Swamp milkweed, Prunus, Buttonbush, Spicebush, Asclepias, Andromeda, Cistus, Fritillaria, Allamanda, Marsh marigold, Monarda, Fiddlehead

The cinnamon fern, known for having airy and fluffy foliage with interest and.
The vegetative species observed included red maple, cypress, laurel oak, Peruvian primrose, cinnamon fern, and bulltongue arrowhead.
The vegetative species observed included cypress, red maple, laurel oak, salt bush, and cinnamon fern.
However, the herbs growing in this area include bunchberry, cinnamon fern, sarsaparilla, and bracken fern.
Tearthumb, Sensitive Fern, Cinnamon Fern, New England Aster, Jewelweed, Marsh St.
Why were the following ferns so named: Christmas Fern, Sensitive Fern, Walkingleaf Fern, Cinnamon Fern, Flowering Fern?