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Dryopteris filix-mas X marginalis Produced in Cultivation
Benedict, Ralph C. (Ralph Curtiss), 1883-1965
Article
1910
American fern journal
1
24--24
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218025 DOI: https://doi.org/10.2307/1543987