Kaj Raunsgaard Pedersen

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

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

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 E.M.Friis, K.R.Pedersen et P.R.Crane 1995

Appomattoxia ancistrophora E.M.Friis, K.R.Pedersen et P.R.Crane 1995

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

Aquia P.R.Crane, K.R.Pedersen, E.M.Friis et Drinnan 1993

Aquia brookensis P.R.Crane, K.R.Pedersen, E.M.Friis et Drinnan 1993

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

Arcellites punctatus E.M.Friis, K.R.Pedersen et Marone 2014

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

Bertilanthus E.M.Friis et K.R.Pedersen 2012

Bertilanthus scanicus E.M.Friis et K.R.Pedersen 2012

Bicatia E.M.Friis, K.R.Pedersen et P.R.Crane 2014

Bicatia costata E.M.Friis, K.R.Pedersen et P.R.Crane 2014

Bicatia juncalensis E.M.Friis, K.R.Pedersen et P.R.Crane 2014

Bicatia rugosa E.M.Friis, K.R.Pedersen et P.R.Crane 2014

Buarcospermum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Buarcospermum tetragonium E.M.Friis, K.R.Pedersen et P.R.Crane 2009

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

Caliciflora E.M.Friis, K.R.Pedersen et P.R.Crane 2016

Caliciflora mauldiniensis E.M.Friis, K.R.Pedersen et P.R.Crane 2016

Canrightia E.M.Friis et K.R.Pedersen 2011

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

Canrightia foveolata E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

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

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

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

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

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

Elasmostemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Elasmostemon paisii E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Endressianthus E.M.Friis, K.R.Pedersen et Schönenb. 2003

Endressianthus foveocarpus E.M.Friis, K.R.Pedersen et Schönenb. 2003

Endressianthus miraensis E.M.Friis, K.R.Pedersen et Schönenb. 2003

Endressistemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Endressistemon cateficensis E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

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

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

Esgueiria E.M.Friis, K.R.Pedersen et P.R.Crane 1992

Esgueiria adenocarpa E.M.Friis, K.R.Pedersen et P.R.Crane 1992

Esgueiria miraensis E.M.Friis, K.R.Pedersen et P.R.Crane 1992

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

Ibericarpus E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Ibericarpus cuneiformis E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

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

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

Lignierispermum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Lignierispermum maroneae E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Lobospermum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Lobospermum glabrum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Lobospermum rugosum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Lobospermum stampanonii E.M.Friis, K.R.Pedersen et P.R.Crane 2009

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

Mayoa E.M.Friis, K.R.Pedersen et P.R.Crane 2004

Mayoa portugallica E.M.Friis, K.R.Pedersen et P.R.Crane 2004

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

Miranthus E.M.Friis, P.R.Crane et K.R.Pedersen 2021

Miranthus elegans E.M.Friis, P.R.Crane et K.R.Pedersen 2021

Miranthus kvacekii E.M.Friis, P.R.Crane et K.R.Pedersen 2021

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

Normanthus Schönenb., K.R.Pedersen et E.M.Friis 2001

Normanthus miraensis Schönenb., K.R.Pedersen et E.M.Friis 2001

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

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

Platananthus hueberi E.M.Friis, P.R.Crane et K.R.Pedersen 1988

Platananthus potomacensis E.M.Friis, P.R.Crane et K.R.Pedersen 1988

Platananthus scanicus E.M.Friis, P.R.Crane et K.R.Pedersen 1988

Platanocarpus E.M.Friis, P.R.Crane et K.R.Pedersen 1988

Platanocarpus brookensis P.R.Crane, K.R.Pedersen, E.M.Friis et Drinnan 1993

Platanocarpus carolinensis E.M.Friis, P.R.Crane et K.R.Pedersen 1988

Platanocarpus marylandensis E.M.Friis, P.R.Crane et K.R.Pedersen 1988

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

Proencistemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Proencistemon portugallicus E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

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

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

Rugonella E.M.Friis, K.R.Pedersen et P.R.Crane 2009

Rugonella trigonospermum E.M.Friis, K.R.Pedersen et P.R.Crane 2009

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

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

Skyttegaardia E.M.Friis, P.R.Crane et K.R.Pedersen 2021

Skyttegaardia galtieri E.M.Friis, P.R.Crane et K.R.Pedersen 2021

Spanomera Drinnan, P.R.Crane, E.M.Friis et K.R.Pedersen 1991

Spanomera mauldinensis Drinnan, P.R.Crane, E.M.Friis et K.R.Pedersen 1991

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

Valvidistemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Valvidistemon globiferus E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

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

Bomfleur, B., Hedenäs, L., Friis, E. M., Crane, P. R., Pedersen, K. R., Mendes, M. M. & Kvaček, J. (2023): Fossil Mosses from the Early Cretaceous Catefica mesofossil flora, Portugal – a window into the Mesozoic history of bryophytes. – Foss. Impr. 79(2): 103–125.

Friis, E. M., Crane, P. R., Pedersen, K. R., Mendes, M. M. & Kvaček, J. (2022): The Early Cretaceous mesofossil flora of Catefica, Portugal: angiosperms. – Foss. Impr. 78(2): 341–424.

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2021): Microsporangiophores from the Early Cretaceous (Berriasian) of Bornholm, Denmark, with comments on a pre-angiosperm xerophytic flora. – Rev. Palaeobot. Palynol. 293: 104487 (11 pp.).

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2021): Early flowers of primuloid Ericales from the Late Cretaceous of Portugal and their ecological and phytogeographic implications. – Foss. Impr. 77(2): 214–230.

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. (2020): Catanthus, an extinct magnoliid flower from the Early Cretaceous of Portugal. – Int. J. Pl. Sci. 182(online): 28–45.

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): 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., 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., 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., Pedersen, K. R. & Crane, P. R. (2016): The emergence of core eudicots: new floral evidence from the earliest Late Cretaceous. – Proc. Roy. Soc. London, Ser. B, Biol. Sci. 283: 20161325 (9 pp.).

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.

Friis, E. M., Pedersen, K. R. & Marone, F. (2014): Arcellites punctatus sp. nov.: a new megaspore from the Early Cretaceous of Portugal studied using high resolution synchrotron radiation X-ray tomographic microscopy (SRXTM). – Grana 53(2): 91–102.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2014): Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America. – Grana 53(online)(3): 175–196.

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.

Friis, E. M. & Pedersen, K. R. (2012): Bertilanthus scanicus, a new asterid flower from the Late Cretaceous (Late Santonian–Early Campanian) of Scania, Sweden. – Int. J. Pl. Sci. 173(3): 318–330.

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.

Friis, E. M. & Pedersen, K. R. (2011): Canrightia resinifera gen. et sp. nov., a new extinct angiosperm with Retimonocolpites-type pollen from the Early Cretaceous of Portugal: missing link in the eumagnoliid tree? – Grana 50: 3–29.

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.

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.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2009): Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group. – Amer. J. Bot. 96(1): 252–283.

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.

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.

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.

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. (Oxford) 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.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2004): Araceae from the Early Cretaceous of Portugal: Evidence on the emergence of monocotyledons. – Proc. Natl. Acad. Sci. U.S.A. 101(47): 16565–16570.

Friis, E. M., Pedersen, K. R. & Schönenberger, J. (2003): Endressianthus, a new Normapolles‐producing plant genus of Fagalean affinity from the Late Cretaceous of Portugal. – Int. J. Pl. Sci. 164(5 suppl.): S201–S223.

Schönenberger, J., Pedersen, K. R. & Friis, E. M. (2001): Normapolles flowers of fagalean affinity from the Late Cretaceous of Portugal. – Pl. Syst. Evol. 226: 205–230.

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., 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. – Amer. J. Bot. 82(7): 933–943.

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.

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. – Syst. Bot. 18(2): 328–344.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (1992): Esgueiria gen. nov., fossil flowers with combretaceous features from the Late Cretaceous of Portugal. – Biol. Skr. 41: 1–45.

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. – Amer. J. Bot. 78(2): 153–176.

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.

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

Friis, E. M., Crane, P. R. & Pedersen, K. R. (1988): Reproductive Structures of Cretaceous Platanaceae. – Biol. Skr. 31: 1–55.