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Pigg, Kathleen B.; Ickert-Bond, Stephanie M.; Wen, Jun (2004). "Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington State, USA, and its biogeographic implications". American Journal of Botany91 (3): 499–509. PMID21653405. doi:10.3732/ajb.91.3.499.
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jstor.org
Hernández-Castillo, Genaro R.; Cevallos-Ferriz, Sergio R.S. (1999). "Reproductive and vegetative organs with affinities to Haloragaceae from the Upper Cretaceous Huepac Chert Locality of Sonora, Mexico". American Journal of Botany86 (12): 1717–1734. JSTOR2656670. PMID10602765. doi:10.2307/2656670.
Soltis, Douglas E.; Kuzoff, Robert K.; Mort, Mark E.; Zanis, Michael; Fishbein, Mark; Hufford, Larry; Koontz, Jason; Arroyo, Mary K. (2001). "Elucidating deep-level phylogenetic relationships in Saxifragaceae using sequences for six chloroplastic and nuclear DNA regions". Annals of the Missouri Botanical Garden88 (4): 669–693. JSTOR3298639. doi:10.2307/3298639.
Hils, Matthew H.; Dickison, William C.; Lucansky, Terry W.; William Louis, Stern (1988). "Comparative anatomy and systematics of woody Saxifragaceae: Tetracarpaea". American Journal of Botany75 (11): 1687–1700. JSTOR2444685. doi:10.2307/2444685.
Endress, Peter K. (1986). "Floral structure, systematics and phylogeny in Trochodendrales". Annals of the Missouri Botanical Garden73 (2): 297–324. JSTOR2399115. doi:10.2307/2399115.
Hermsen, Elizabeth J.; Gandolfo, María A.; Nixon, Kevin C.; Crepet, William L. (2003). "Divisestylus genus novus (Affinity Iteaceae), a fossil saxifrage from the Late Cretaceous of New Jersey, USA". American Journal of Botany90 (9): 1373–1388. PMID21659237. doi:10.3732/ajb.90.9.1373.
Pigg, Kathleen B.; Ickert-Bond, Stephanie M.; Wen, Jun (2004). "Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington State, USA, and its biogeographic implications". American Journal of Botany91 (3): 499–509. PMID21653405. doi:10.3732/ajb.91.3.499.
Hernández-Castillo, Genaro R.; Cevallos-Ferriz, Sergio R.S. (1999). "Reproductive and vegetative organs with affinities to Haloragaceae from the Upper Cretaceous Huepac Chert Locality of Sonora, Mexico". American Journal of Botany86 (12): 1717–1734. JSTOR2656670. PMID10602765. doi:10.2307/2656670.
Ickert-Bond, Stephanie M.; Wen, Jun (2006). "Phylogeny and biogeography of Altingiaceae: Evidence from combined analysis of five non-coding chloroplast regions". Molecular Phylogenetics and Evolution39 (2): 512–528. PMID16439163. doi:10.1016/j.ympev.2005.12.003.
Davis, Charles C.; Chase, Mark W. (2004). "Elatinaceae are sister to Malpighiaceae; Peridiscaceae belong to Saxifragales". American Journal of Botany91 (2): 262–273. PMID21653382. doi:10.3732/ajb.91.2.262.