Country: United States
Matteuccia struthiopteris
ostrich fern, fiddlehead fern
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Claytosmunda claytoniana
interrupted fern
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Some Fern Spores from the Eastern United States
The following are some photos (equivalently scaled) of spores, sporangia, and some indusia from...
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Asplenium ruta-muraria
In Vermont, Asplenium ruta-muraria can be reliably found upon limestone bluffs along the eastern...
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