The status of Ophioglossum azoricum (Ophioglossaceae : pteridophyta) in the British Isles / Alison M. Paul in Fern gazette, 13 (3) (1987)
[article]
Paul, AM.
1987.
The status of Ophioglossum azoricum (Ophioglossaceae : pteridophyta) in the British Isles.
Fern gazette, 13(3): 173-187.
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