Distribution
O. azoricum is native to islands in the northern Atlantic Ocean and adjacent westernmost Europe from the Azores north to western France, the British Isles, Iceland and Greenland. It also occurs in the Toscana region of Italy.
This species mostly occurs on bare or shortly vegetated ground on exposed coastal clifftops. An exception to this habitat preference is populations in the New Forest, Hampshire where plants occur in tightly grazed damp grassland in a non-maritime setting. In Iceland and Greenland it is restricted to geothermal areas where higher temperatures allow its survival.
This species is on the Icelandic list of endangered species.
Read more about this topic: Ophioglossum Azoricum
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