''Thelypteris palustris'', the marsh fern, or eastern marsh fern, is a fern native to eastern North America and across Eurasia. It prefers to grow in marshy situations in full sun.
Similar species: Polypodiales
By Ori Fragman Sapir
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Uploaded Apr 9, 2021. Captured Sep 9, 2014 10:01 in Israel National Trail.
