Nomenclatural act

Plant Fossil Names Registry Number: PFN000317
Act LSID: urn:lsid:plantfossilnames.org:act:317
Sydneia gen. nov.
Pšenička, J., Bek, J., Zodrow, E. L., Cleal, C. J. & Hemsley, A. R. (2003): A new late Westphalian fossil marattialean fern from Nova Scotia. – Botanical Journal of the Linnean Society 142: 199–212.