References
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Frumin, S. I. & Friis, E. M. (1999): Magnoliid reproductive organs from the Cenomanian-Turonian of north-western Kazakhstan: Magnoliaceae and Illiciaceae. – Plant Systematics and Evolution 216(3–4): 265–288.
Wang, Y. & Wu, X. (1999): Oligocarpia kepingensis sp. nov. frm the Lower Permian of the northern Tarim basin, Xinjiang and its in situ spores. – Chinese science bulletin 44(2): 108–111.
Grauvogel-Stamm, L. & Ash, S. R. (1999): “Lycostrobus” chinleana, an equisetalean cone from the Upper Triassic of the southwestern United States and its phylogenetic implications. – American Journal of Botany 86(10): 1391–1405.
Mai, D. H. (1999): Beiträge zur Kenntnis einiger Holzgewächse im europäischen Tertiär. – Feddes Repertorium 110(1–2): 37–72.
Terada, K. & Suzuki, M. (1998): Revision of the so-called ‘Reevesia’ fossil woods from the Tertiary in Japan – a proposal of the new genus Wataria (Sterculiaceae). – Review of Palaeobotany and Palynology 103(3–4): 235–251.
Hoffman, G. L. & Stockey, R. A. (1997): Morphology and paleoecology of Ricciopsis speirsae sp.nov. (Ricciaceae), a fossil liverwort from the Paleocene Joffre Bridge locality, Alberta, Canada. – Canadian Journal of Botany 75(8): 1375–1381.
Friis, E. M., Crane, P. R. & Pedersen, K. R. (1997): Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen. – Grana 36: 225–244.
Soudry, D. & Gregor, H. -J. (1997): Jodes israelii sp. nov.: a huge phosphate-mineralized icacinacean fructification from the Late Cretaceous of the Negev, southern Israel. – Cretaceous Research 18(2): 161–178.
Berry, C. M. & Edwards, D. (1996): Anapaulia moodyi gen et sp nov: A probable iridopteridalean compression fossil from the Devonian of western Venezuela. – Review of Palaeobotany and Palynology 93(1–4): 127–145.
Friis, E. M., Pedersen, K. R. & Crane, P. R. (1995): Appomattoxia ancistrophora gen. et sp. nov., a new Early Cretaceous plant with similarities to Circaeaster and extant Magnoliidae. – American Journal of Botany 82(7): 933–943.
Kvaček, Z. (1995): Limnobiophyllum Krassilov – a fossil link between the Araceae and the Lemnaceae. – Aquatic Botany 50: 49–61.
Friis, E. M., Eklund, H., Pedersen, K. R. & Crane, P. R. (1994): Virginianthus calycanthoides gen. et sp. nov. – A calycanthaceous flower from the Potomac Group (Early Cretaceous) of eastern North America. – International Journal of Plant Sciences 155(6): 772–785.
Kvaček, J. (1994): Nilsonia and Nilsonia-like leaves from the Cenomanian of Bohemia. – Acta Universitatis Carolinae, Geologica 1992(1–2): 63–71.
Crane, P. R., Pedersen, K. R., Friis, E. M. & Drinnan, A. N. (1993): Early Cretaceous (Early to Middle Albian) Platanoid Inflorescences Associated with Sapindopsis Leaves from the Potomac Group of Eastern North America. – Systematic Botany 18(2): 328–344.
McIver, E. E. & Basinger, J. F. (1993): Flora of the Ravenscrag Formation (Paleocene), southwestern Saskatchewan, Canada. – Palaeontographica Canadiana 10: 1–167.
Friis, E. M., Pedersen, K. R. & Crane, P. R. (1992): Esgueiria gen. nov., fossil flowers with combretaceous features from the Late Cretaceous of Portugal. – Biologiske Skrifter 41: 1–45.
Kirchner, M. & Müller, A. (1992): Umkomasia franconica n. sp. und Pteruchus septentrionalis n. sp., Fruktifikationen von Thinnfeldia Ettingshausen. – Palaeontographica, Abt. B 224(1–3): 63–73 + 4 pls.
Geng, B. Y. (1992): Studies on Early Devonian flora of Sichuan. – Acta Phytotaxonomica Sinica 30: 197–211.
Drinnan, A. N., Crane, P. R., Friis, E. M. & Pedersen, K. R. (1991): Angiosperm flowers and tricolpate pollen of buxaceous affinity from the Potomac Group (mid-Cretaceous) of eastern North America. – American Journal of Botany 78(2): 153–176.
Endress, P. K. & Friis, E. M. (1991): Archamamelis, hamamelidalean flowers from the Upper Cretaceous of Sweden. – Plant Systematics and Evolution 175(1–2): 101–114.