Rothwell, Gar W.; Mapes, Gene; Stockey, Ruth A.; Hilton, Jason (April 2012). "The seed cone Eathiestrobus gen. nov.: Fossil evidence for a Jurassic origin of Pinaceae". American Journal of Botany. 99 (4): 708–720. Bibcode:2012AmJB...99..708R. doi:10.3732/ajb.1100595. PMID22491001.
Patricia E. Ryberg; Gar W. Rothwell; Ruth A. Stockey; Jason Hilton; Gene Mapes; James B. Riding (2012). "Reconsidering Relationships among Stem and Crown Group Pinaceae: Oldest Record of the Genus Pinus from the Early Cretaceous of Yorkshire, United Kingdom". International Journal of Plant Sciences. 173 (8): 917–932. Bibcode:2012IJPlS.173..917R. doi:10.1086/667228. S2CID85402168.
Nagy, Nina E.; Franceschi, Vincent R.; Solheim, Halvor; Krekling, Trygve; Christiansen, Erik (2000-03-01). "Wound-induced traumatic resin duct development in stems of Norway spruce (Pinaceae): anatomy and cytochemical traits". American Journal of Botany. 87 (3): 302–313. doi:10.2307/2656626. JSTOR2656626. PMID10718991.
Rothwell, Gar W.; Mapes, Gene; Stockey, Ruth A.; Hilton, Jason (April 2012). "The seed cone Eathiestrobus gen. nov.: Fossil evidence for a Jurassic origin of Pinaceae". American Journal of Botany. 99 (4): 708–720. Bibcode:2012AmJB...99..708R. doi:10.3732/ajb.1100595. PMID22491001.
Patricia E. Ryberg; Gar W. Rothwell; Ruth A. Stockey; Jason Hilton; Gene Mapes; James B. Riding (2012). "Reconsidering Relationships among Stem and Crown Group Pinaceae: Oldest Record of the Genus Pinus from the Early Cretaceous of Yorkshire, United Kingdom". International Journal of Plant Sciences. 173 (8): 917–932. Bibcode:2012IJPlS.173..917R. doi:10.1086/667228. S2CID85402168.
Nagy, Nina E.; Franceschi, Vincent R.; Solheim, Halvor; Krekling, Trygve; Christiansen, Erik (2000-03-01). "Wound-induced traumatic resin duct development in stems of Norway spruce (Pinaceae): anatomy and cytochemical traits". American Journal of Botany. 87 (3): 302–313. doi:10.2307/2656626. JSTOR2656626. PMID10718991.
Rothwell, Gar W.; Mapes, Gene; Stockey, Ruth A.; Hilton, Jason (April 2012). "The seed cone Eathiestrobus gen. nov.: Fossil evidence for a Jurassic origin of Pinaceae". American Journal of Botany. 99 (4): 708–720. Bibcode:2012AmJB...99..708R. doi:10.3732/ajb.1100595. PMID22491001.
Nagy, Nina E.; Franceschi, Vincent R.; Solheim, Halvor; Krekling, Trygve; Christiansen, Erik (2000-03-01). "Wound-induced traumatic resin duct development in stems of Norway spruce (Pinaceae): anatomy and cytochemical traits". American Journal of Botany. 87 (3): 302–313. doi:10.2307/2656626. JSTOR2656626. PMID10718991.
Blokhina, N. I.; Afonin, M. (2007). "Fossil wood Cedrus penzhinaensis sp. nov. (Pinaceae) from the Lower Cretaceous of north-western Kamchatka (Russia)". Acta Paleobotanica. 47: 379–389. S2CID54653621.
Patricia E. Ryberg; Gar W. Rothwell; Ruth A. Stockey; Jason Hilton; Gene Mapes; James B. Riding (2012). "Reconsidering Relationships among Stem and Crown Group Pinaceae: Oldest Record of the Genus Pinus from the Early Cretaceous of Yorkshire, United Kingdom". International Journal of Plant Sciences. 173 (8): 917–932. Bibcode:2012IJPlS.173..917R. doi:10.1086/667228. S2CID85402168.