Ophioglossum Azoricum
Ophioglossum vulgatum subsp. ambiguum
Ophioglossum sabulicolum
Ophioglossum vulgatum subsp. vulgatum var. minus
Ophioglossum vulgatum subsp. vulgatum var. islandicum
Ophioglossum vulgatum subsp. polyphyllum
Ophioglossum sabulicola
Ophioglossum azoricum (small adder's-tongue) is a small fern of the family Ophioglossaceae.
Read more about Ophioglossum Azoricum: Description, Distribution