cinnamon fern plant Osmunda cinnamomea L. Osmundastrum cinnamomea (L.) C. Presl Osmundastrum is genus of leptosporangiate ferns in the family Osmundaceae with one accepted species, *Osmundastrum cinnamomeum*, the cinnamon fern. It is native to the Americas and eastern Asia, growing in swamps, bogs and moist woodlands. [https://en.wikipedia.org/wiki/Osmundastrum] PLANTS:OSCI buckhorn (osmunda) fiddlehead fern osmunda cinnamomea osmundastrum cinnamomea fern plant requires discussion