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The British Pteridological Society. Nature 187, 902 (1960). https://doi.org/10.1038/187902d0
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DOI: https://doi.org/10.1038/187902d0
Nature volume 187, page 902 (1960)
The British Pteridological Society. Nature 187, 902 (1960). https://doi.org/10.1038/187902d0
Issue Date:
DOI: https://doi.org/10.1038/187902d0