Northern Adderstongue Fern Ophioglossum pusillum Rafinesque    Synonyms: Northern Adder's-tongue Fern.
Kingdom Plantae   >   Division Pteridophyta   >   Class Psilotopsida   >   Order Ophioglossales   >   Family Ophioglossaceae   >   Genus Ophioglossum   

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Northern Adderstongue Fern growing in Prince George's Co., Maryland (6/2/2014). Photo by Fritz Flohr Reynolds. (MBP list)

Northern Adderstongue Fern in Anne Arundel Co., Maryland (4/17/2012). Photo by Bill Harms. (MBP list)

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