Else Marie Friis

Standard form: E.M.Friis

Author LSID: urn:lsid:plantfossilnames.org:auth:19

Country: Sweden
Organization: Swedish Museum of Natural History, Stockholm
Main area of interest: palaeobotany, evolution

*1947

IPNI ID: 20011720-2

New names

Acanthocatia E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Acanthocatia virginiensis E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Actinocalyx E.M.Friis 1985

Actinocalyx bohrii E.M.Friis 1985

Aguacarpus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Aguacarpus hirsutus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Anacostia E.M.Friis, P.R.Crane et K.R.Pedersen 1997

Anacostia marylandensis E.M.Friis, P.R.Crane et K.R.Pedersen 1997

Anacostia portugallica E.M.Friis, P.R.Crane et K.R.Pedersen 1997

Anacostia teixeirae E.M.Friis, P.R.Crane et K.R.Pedersen 1997

Anacostia virginiensis E.M.Friis, P.R.Crane et K.R.Pedersen 1997

Anaspermum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Anaspermum operculatum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Anomozamites villosus C.Pott, McLoughlin, S.Q.Wu et E.M.Friis 2012

Appofructus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Appofructus nudus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Appomattoxia minuta E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Arazedispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Arazedispermum lusitanicum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Archamamelis P.K.Endress et E.M.Friis 1991

Archamamelis bivalvis P.K.Endress et E.M.Friis 1991

Atlantocarpus E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Atlantocarpus virginiensis E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Battenispermum M.M.Mendes, K.R.Pedersen et E.M.Friis 2020

Battenispermum hirsutum M.M.Mendes, K.R.Pedersen et E.M.Friis 2020

Burgeria E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Burgeria striata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Canrightia elongata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Canrightiopsis E.M.Friis, G.W.Grimm, M.M.Mendes et K.R.Pedersen 2015

Canrightiopsis crassitesta E.M.Friis, G.W.Grimm, M.M.Mendes et K.R.Pedersen 2015

Canrightiopsis dinisii E.M.Friis, G.W.Grimm, M.M.Mendes et K.R.Pedersen 2015

Canrightiopsis intermedia E.M.Friis, G.W.Grimm, M.M.Mendes et K.R.Pedersen 2015

Carpestella Balthazar, K.R.Pedersen, P.R.Crane et E.M.Friis 2008

Carpestella lacunata Balthazar, K.R.Pedersen, P.R.Crane et E.M.Friis 2008

Catanthus E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Catanthus dolichostemon E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Cattomia E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Cattomia trapezoides E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Choffaticarpus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Choffaticarpus compactus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Cohongarootonia Balthazar, P.R.Crane, K.R.Pedersen et E.M.Friis 2011

Cohongarootonia hispida Balthazar, P.R.Crane, K.R.Pedersen et E.M.Friis 2011

Comptonia srodoniowae E.M.Friis 1979

Dejaxia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Dejaxia brevicolpites E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Dictyozonia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Dictyozonia pusilla E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Dinisia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Dinisia portugallica E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Eckartia E.M.Friis, P.R.Crane et K.R.Pedersen 2019 nom. illeg., non Eckartia Rchb., Deut. Bot. Herb.-Buch 53 (1841)

Eckartia brevicolumella E.M.Friis, P.R.Crane et K.R.Pedersen 2019 nom. illeg.

Eckartia intermedia E.M.Friis, P.R.Crane et K.R.Pedersen 2019 nom. illeg.

Eckartia longicolumella E.M.Friis, P.R.Crane et K.R.Pedersen 2019 nom. illeg.

Eckartianthus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Eckartianthus lusitanicus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Eckartiopsis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Eckartiopsis parva E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Ephedra drewriensis Rydin, K.R.Pedersen, P.R.Crane et E.M.Friis 2006

Ephedra portugallica Rydin, K.R.Pedersen, P.R.Crane et E.M.Friis 2006

Ephedrispermum Rydin, K.R.Pedersen, P.R.Crane et E.M.Friis 2006

Ephedrispermum lusitanicum Rydin, K.R.Pedersen, P.R.Crane et E.M.Friis 2006

Ephedrispermum tenuicostatum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Erdtmanispermum K.R.Pedersen, P.R.Crane et E.M.Friis 1989

Erdtmanispermum balticum K.R.Pedersen, P.R.Crane et E.M.Friis 1989

Erdtmanispermum juncalense M.M.Mendes, E.M.Friis et Pais 2008

Erdtmanitheca K.R.Pedersen, P.R.Crane et E.M.Friis 1989

Erdtmanitheca portucalensis M.M.Mendes, Pais, K.R.Pedersen et E.M.Friis 2010

Erdtmanitheca texensis K.R.Pedersen, P.R.Crane et E.M.Friis 1989

Gastonispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Gastonispermum antiquum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Gastonispermum portugallicum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Geminispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Geminispermum virginiense E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Goczania E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Goczania inaequalis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Goczania punctata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Goczania rugosa E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Hedyflora E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Hedyflora crystallifera E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Ibrahimia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Ibrahimia verminculata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Juhaszia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Juhaszia portugallica E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Kajanthus M.M.Mendes, G.W.Grimm, Pais et E.M.Friis 2014

Kajanthus lusitanicus M.M.Mendes, G.W.Grimm, Pais et E.M.Friis 2014

Kempia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Kempia longicolpites E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Kenilanthus E.M.Friis, K.R.Pedersen et P.R.Crane 2017

Kenilanthus marylandensis E.M.Friis, K.R.Pedersen et P.R.Crane 2017

Kvacekispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Kvacekispermum costatum E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Kvacekispermum rugosum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Lambertiflora E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Lambertiflora elegans E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Lignieriopsis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Lignieriopsis parva E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Lignieriopsis stenosperma E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Lusicarpus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Lusicarpus planatus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Lusistemon K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Lusistemon striatus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Lusitanispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Lusitanispermum choffatii E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Mauldinia Drinnan, P.R.Crane, E.M.Friis et K.R.Pedersen 1990

Mauldinia mirabilis Drinnan, P.R.Crane, E.M.Friis et K.R.Pedersen 1990

Mcdougallia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Mcdougallia irregularis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Melloniflora E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Melloniflora virginiensis E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Monetianthus mirus E.M.Friis, K.R.Pedersen, Balthazar, G.W.Grimm et P.R.Crane 2009

Mugideiriflora E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Mugideiriflora portugallica E.M.Friis, P.R.Crane et K.R.Pedersen 2020

Nicholsia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Nicholsia brevicolpites E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Nitaspermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Nitaspermum crassum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Nitaspermum hopewellense E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Nitaspermum marylandense E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Nitaspermum taylorii E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Nitaspermum virginiense E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Paisia E.M.Friis, M.M.Mendes et K.R.Pedersen 2018

Paisia pantoporata E.M.Friis, M.M.Mendes et K.R.Pedersen 2018

Paradinandra Schönenb. et E.M.Friis 2001

Paradinandra suecica Schönenb. et E.M.Friis 2001

Pazlia E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Pazlia hilaris E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Pazliopsis E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Pazliopsis reyi E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Piercipollis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Piercipollis simplex E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Potomacanthus Balthazar, K.R.Pedersen, P.R.Crane, Stampan. et E.M.Friis 2007

Potomacanthus lobatus Balthazar, K.R.Pedersen, P.R.Crane, Stampan. et E.M.Friis 2007

Powhatania Balthazar, P.R.Crane, K.R.Pedersen et E.M.Friis 2011

Powhatania connata Balthazar, P.R.Crane, K.R.Pedersen et E.M.Friis 2011

Quadrispermum E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Quadrispermum parvum E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Raunsgaardispermum M.M.Mendes, Pais et E.M.Friis 2008

Raunsgaardispermum lusitanicum M.M.Mendes, Pais et E.M.Friis 2008

Reyanthus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Reyanthus lusitanicus E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Reyispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Reyispermum parvum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Riaselis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Riaselis rugosa E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Rightcania E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Rightcania kvacekii E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Rothwellia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Rothwellia foveata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Samylinaea E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Samylinaea punctata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Saportanthus E.M.Friis, P.R.Crane et K.R.Pedersen 2017

Saportanthus brachystemon E.M.Friis, P.R.Crane et K.R.Pedersen 2017

Saportanthus dolichostemon E.M.Friis, P.R.Crane et K.R.Pedersen 2017

Saportanthus parvus E.M.Friis, P.R.Crane et K.R.Pedersen 2017

Scandianthus E.M.Friis et Skarby 1982

Scandianthus major E.M.Friis et Skarby 1982

Serialis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis antiqua E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis communis E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis crassitesta E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis elongata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis grossa E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis parva E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis reticulata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis tenuitesta E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Serialis undata E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Silucarpus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Silucarpus camptostylus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Silutanispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Silutanispermum kvacekiorum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Silvianthemum E.M.Friis 1990

Silvianthemum suecicum E.M.Friis 1990

Tanispermum E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Tanispermum hopewellense E.M.Friis, P.R.Crane et K.R.Pedersen 2018

Teebacia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Teebacia hughesii E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Teixeiraea Balthazar, K.R.Pedersen et E.M.Friis 2005

Teixeiraea lusitanica Balthazar, K.R.Pedersen et E.M.Friis 2005

Thodaya E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Thodaya sykesiae E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Tomcatia E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Tomcatia taylorii E.M.Friis, K.R.Pedersen et P.R.Crane 2013

Valecarpus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Valecarpus pedicellatus K.R.Pedersen, Balthazar, P.R.Crane et E.M.Friis 2007

Vedresia E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Vedresia elliptica E.M.Friis, P.R.Crane et K.R.Pedersen 2019

Virginianthus E.M.Friis, H.Eklund, K.R.Pedersen et P.R.Crane 1994

Virginianthus calycanthoides E.M.Friis, H.Eklund, K.R.Pedersen et P.R.Crane 1994

Zlatkocarpus J.Kvaček et E.M.Friis 2010

Zlatkocarpus brnikensis J.Kvaček et E.M.Friis 2010

Zlatkocarpus pragensis (J.Kvaček et H.Eklund) J.Kvaček et E.M.Friis 2010

Citations in Fossil Plant Names

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2020): Catanthus, an extinct magnoliid flower from the Early Cretaceous of Portugal. – Int. J. Pl. Sci. 182(online): 28–45.

Mendes, M. M., Pedersen, K. R. & Friis, E. M. (2020): Battenispermum hirsutum gen. et sp. nov., a new Early Cretaceous seed from Portugal with chlamydospermous organisation. – Cretac. Res. 109: 104376.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2020): Melloniflora, a new extinct multipared flower from the Early Cretaceous of Virginia, USA. – Int. J. Pl. Sci. 181(9): 887–897.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2020): Multiparted, apocarpous flowers from the Early Cretaceous of eastern North America and Portugal. – Foss. Impr. 76(2): 279–296.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): Extinct Diversity among Early Cretaceous Angiosperms: Mesofossil Evidence of Early Magnoliales from Portugal. – Int. J. Pl. Sci. 180(2): 93–127.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): Hedyosmum-like fossils in the early Cretaceous diversification of angiosperms. – Int. J. Pl. Sci. 180(3): 232–239.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): Chlamydospermous seeds document the diversity and abundance of extinct gnetalean relatives in Early Cretaceous vegetation. – Int. J. Pl. Sci. 180(7): 643–666.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): The Early Cretaceous mesofossil flora of Torres Vedras (NE of Forte da Forca), Portugal: a palaeofloristic analysis of an early angiosperm community. – Foss. Impr. 75(2): 153–257.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): Geminispermum, an Early Cretaceous (early–middle Albian) cupulate unit from the angiosperm-dominated Puddledock flora of eastern North America. – Acta Palaeobot. 59(2): 229–239.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018): Fossil seeds with affinities to Austrobaileyales and Nymphaeales from the Early Cretaceous (early to middle Albian) of Virginia and Maryland, USA: new evidence for extensive extinction near the base of the angiosperm tree. in Krings, M., Harper, C. J., Cúneo, N. R., Rothwell, G. W. (eds): Transformative paleobotany. Papers to commemorate the life and legacy of Thomas N. Taylor. Academic Press: 417–435.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018): Tanispermum, a new genus of hemi-orthotropous to hemi-anatropous angiosperm seeds from the Early Cretaceous of eastern North America. – Amer. J. Bot. 105(8): 1369–1388.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018): Extinct taxa of exotestal seeds close to Austrobaileyales and Nymphaeales from the Early Cretaceous of Portugal. – Foss. Impr. 74(1–2): 135–158.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018): Rightcania and Kvacekispermum: Early Cretaceous seeds from eastern North America and Portugal provide further evidence of the early chloranthoid diversification. – Foss. Impr. 74(1–2): 65–76.

Friis, E. M., Mendes, M. M. & Pedersen, K. R. (2018): Paisia, an Early Cretaceous eudicot angiosperm flower with pantoporate pollen from Portugal. – Grana 57(1–2): 1–15.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2017): Kenilanthus, a new eudicot flower with tricolpate pollen from the Early Cretaceous (early-middle Albian) of eastern North America. – Grana 56(3): 161–173.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2017): Saportanthus, an extinct genus of Laurales from the Early Cretaceous of Portugal. – Int. J. Pl. Sci. 178(8): 650–672.

Friis, E. M., Grimm, G. W., Mendes, M. M. & Pedersen, K. R. (2015): Canrightiopsis, a new Early Cretaceous fossil with Clavatipollenites-type pollen bridge the gap between extinct Canrightia and extant Chloranthaceae. – Grana 54(3): 184–212.

Mendes, M. M., Grimm, G. W., Pais, J. & Friis, E. M. (2014): Fossil Kajanthus lusitanicus gen. et sp. nov. from Portugal: floral evidence for Early Cretaceous Lardizabalaceae (Ranunculales, basal eudicot). – Grana 53(4): 283–301.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2013): New diversity among chlamydospermous seeds from the Early Cretaceous of Portugal and North America. – Int. J. Pl. Sci. 174(3): 530–558.

Pott, C., McLoughlin, S., Wu, S. & Friis, E. M. (2012): Trichomes on the leaves of Anomozamites villosus sp. nov. (Bennettitales) from the Daohugou beds (Middle Jurassic), Inner Mongolia, China: mechanical defense against herbivorous arthropods?Rev. Palaeobot. Palynol. 169: 48–60.

von Balthazar, M., Crane, P. R., Pedersen, K. R. & Friis, E. M. (2011): New flowers of Laurales from the Early Cretaceous (Early to Middle Albian) of eastern North America. in Wanntorp, L., Ronse De Craene, L. P. (eds): Flowers on the Tree of Life. Cambridge University Press: 49–87.

Mendes, M. M., Pais, J., Pedersen, K. R. & Friis, E. M. (2010): Erdtmanitheca portucalensis, a new pollen organ from the Early Cretaceous (Aptian–Albian) of Portugal with Eucommiidites-type pollen. – Grana 49(1): 26–36.

Kvaček, J. & Friis, E. M. (2010): Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic. – Grana 49(2): 115–127.

Friis, E. M., Pedersen, K. R., von Balthazar, M., Grimm, G. W. & Crane, P. R. (2009): Monetianthus mirus gen. et sp. nov., a nymphaealean flower from teh Early Cretaceous of Portugal. – Int. J. Pl. Sci. 170(8): 1086–1101.

Mendes, M. M., Friis, E. M. & Pais, J. (2008): Erdtmanispermum juncalense sp. nov., a new species of the extinct order Erdtmanithecales from the Early Cretaceous (probably Berriasian) of Portugal. – Rev. Palaeobot. Palynol. 149(1–2): 50–56.

Mendes, M. M., Pais, J. & Friis, E. M. (2008): Raunsgaardispermum lusitanicum gen. et sp. nov., a new seed with in situ pollen from the Early Cretaceous (probably Berriasian) of Portugal: Further support for the Bennettitales-Erdtmanithecales- Gnetales link. – Grana 47(3): 211–219.

von Balthazar, M., Pedersen, K. R., Crane, P. R. & Friis, E. M. (2008): Carpestella lacunata gen. et sp. nov., a new basal angiosperm flower from the Early Cretaceous (Early to Middle Albian) of eastern North America. – Int. J. Pl. Sci. 169(7): 890–898.

von Balthazar, M., Pedersen, K. R., Crane, P. R., Stampanoni, M. & Friis, E. M. (2007): Potomacanthus lobatus gen. et sp. nov., a new flower of probable Lauraceae from the Early Cretaceous (Early to Middle Albian) of eastern North America. – Amer. J. Bot. 94(12): 2041–2053.

Pedersen, K. R., von Balthazar, M., Crane, P. R. & Friis, E. M. (2007): Early Cretaceous floral structures and in situ tricolpate-striate pollen: New early eudicots from Portugal. – Grana 46(3): 176–196.

Rydin, C., Pedersen, K. R., Crane, P. R. & Friis, E. M. (2006): Former Diversity of Ephedra (Gnetales): Evidence from Early Cretaceous Seeds from Portugal and North America. – Ann. Bot. 98(1): 123–140.

von Balthazar, M., Pedersen, K. R. & Friis, E. M. (2005): Teixeiraea lusitanica, a new fossil flower from the Early Creataceous of Portugal with affinities to Ranunculates. – Pl. Syst. Evol. 255: 55–75.

Schönenberger, J. & Friis, E. M. (2001): Fossil flowers of ericalean affinity from the Late Cretaceous of Southern Sweden. – Amer. J. Bot. 88(3): 467–480.

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.

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. – Int. J. Pl. Sci. 155(6): 772–785.

Endress, P. K. & Friis, E. M. (1991): Archamamelis, hamamelidalean flowers from the Upper Cretaceous of Sweden. – Pl. Syst. Evol. 175(1–2): 101–114.

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. – Bot. Gaz. 151(3): 370–384.

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

Pedersen, K. R., Crane, P. R. & Friis, E. M. (1989): Pollen organs and seeds with Eucommiidites pollen. – Grana 28: 279–294.

Friis, E. M. (1985): Actinocalyx gen. nov., sympetalous angiosperm flowers from the Upper Cretaceous of southern Sweden. – Rev. Palaeobot. Palynol. 45(3–4): 171–183.

Friis, E. M. & Skarby, A. (1982): Scandianthus gen. nov., Angiosperm Flowers of Saxifragalean Affinity from the Upper Cretaceous of Southern Sweden. – Ann. Bot. 50(5): 569–583.

Friis, E. M. (1979): The Damgaard flora: A new Middle Miocene flora from Denmark. – Bull. Geol. Soc. Denmark 27(3–4): 117–142.