Progymnosperm (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Progymnosperm" in English language version.

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Lang WH (1926). "II.—Contributions to the Study of the Old Red Sandstone Flora of Scotland. I. On Plant-Remains from the Fish-Beds of Cromarty. II. On a Sporangium-bearing Branch-System from the Stromness Beds". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 54 (2): 253–79. doi:10.1017/S0080456800027599. S2CID 131163187.
Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.
Crane PR, Herendeen P, Friis EM (October 2004). "Fossils and plant phylogeny". American Journal of Botany. 91 (10): 1683–99. doi:10.3732/ajb.91.10.1683. PMID 21652317.
Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.

Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.
Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.

Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.
Crane PR, Herendeen P, Friis EM (October 2004). "Fossils and plant phylogeny". American Journal of Botany. 91 (10): 1683–99. doi:10.3732/ajb.91.10.1683. PMID 21652317.
Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.

Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.
Wang J, Hilton J, Pfefferkorn HW, Wang S, Zhang Y, Bek J, et al. (March 2021). "Ancient noeggerathialean reveals the seed plant sister group diversified alongside the primary seed plant radiation". Proceedings of the National Academy of Sciences of the United States of America. 118 (11): e2013442118. Bibcode:2021PNAS..11813442W. doi:10.1073/pnas.2013442118. PMC 7980368. PMID 33836571.

Lang WH (1926). "II.—Contributions to the Study of the Old Red Sandstone Flora of Scotland. I. On Plant-Remains from the Fish-Beds of Cromarty. II. On a Sporangium-bearing Branch-System from the Stromness Beds". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 54 (2): 253–79. doi:10.1017/S0080456800027599. S2CID 131163187.