References

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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.

Zodrow, E. L. & Gao, Z. (1991): Leeites oblongifolis nov. gen. et sp. (Sphenophyllaean, Carboniferous), Sydney Coalfield, Nova Scotia, Canada. – Palaeontographica, Abt. B 223(1–3): 61–80.

Drinnan, A. N., Crane, P. R., Friis, E. M. & Pedersen, K. R. (1990): Lauraceous flowers from the Potomac Group (mid-Cretaceous) of eastern North America. – Botanical Gazette 151(3): 370–384.

Friis, E. M. (1990): Silvianthemum suecicum gen. et sp. nov., a new saxifragalean flower from the Late Cretaceous of Sweden. – Biologiske Skrifter 36: 1–35.

Upchurch, G. R., Jr. & Dilcher, D. L. (1990): Cenomanian angiosperm leaf megafossils from the Rose Creek locality of the Dakota Formation, southeastern Nebraska. – Bulletin of the United States Geological Survey 1915: 1–55, 31 pls.

Cevallos-Ferriz, S. R. S. & Stockey, R. A. (1989): Permineralized fruits and seeds from the Princeton Chert (Middle Eocene) of British Columbia: Nymphaeaceae. – Botanical Gazette 150(2): 207–217.

Total records: 470