Seed fern (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Seed fern" in Simple English language version.

Last modified: 20:20:41, 31 October 2022 (UTC)

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Hilton J. & Batemann R.M. 2007. Pteridosperms are the backbone of seed plant phylogeny. Journal of the Torrey Botanical Society, 33: 119-168. 119:PATBOS2.0.CO;2.short^{[permanent dead link]}