The female fructification of Sphenopteris Hoeninghausi and the (supposed) relation of this species with Crossotheca

W.J. Jongmans

doi:10.54991/jop.1952.388

Authors

W.J. Jongmans Geologisch Bureau, Heerlen (Holland)

DOI:

https://doi.org/10.54991/jop.1952.388

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References

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