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Steven J. Baskauf   cc-by-4.0

Ophioglossum engelmannii (limestone adderstongue) is a species of perennial herb in the family Ophioglossaceae. It has a self-supporting growth form. It is native to the contiguous United States. It is a photoautotroph.

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EOL has data for 10 attributes, including:

Known occurrences, collected specimens and observations of limestone adderstongue