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1

Palaeobotanical redux: revisiting the age of the angiosperms

Herendeen, Patrick S., Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Year:

2017

Language:

english

File:

PDF, 1.30 MB

english, 2017

2

Saportanthus , an Extinct Genus of Laurales from the Early Cretaceous of Portugal

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

International Journal of Plant Sciences

Year:

2017

Language:

english

File:

PDF, 361.34 MB

english, 2017

3

Carbon isotopic abundances in Mesozoic and Cenozoic fossil plants: Palaeoecological implications

HERVE BOCHERENS, ELSE MARIE FRIIS, ANDRÉ MARIOTTI, KAJ RAUNSGAARD PEDERSEN

Journal:

Year:

1993

Language:

english

File:

PDF, 1.28 MB

english, 1993

4

Current Perspectives on Basal Angiosperms || Reproductive Structure and Organization of Basal Angiosperms from the Early Cretaceous (Barremian or Aptian) of Western Portugal

Else Marie Friis, Kaj Raunsgaard Pedersen, and Peter R. Crane

Journal:

International Journal of Plant Sciences

Year:

2000

Language:

english

File:

PDF, 1.50 MB

english, 2000

5

Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America

Else Marie Friis, Helena Eklund, Kaj Raunsgaard Pedersen and Peter R. Crane

Journal:

International Journal of Plant Sciences

Year:

1994

Language:

english

File:

PDF, 5.99 MB

english, 1994

6

Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard, Bengtson, Stefan, Donoghue, Philip C. J., Grimm, Guido W., Stampanoni, Marco

Journal:

Year:

2007

Language:

english

File:

PDF, 549 KB

english, 2007

7

Early Cretaceous (Early to Middle Albian) Platanoid Inflorescences Associated with Sapindopsis Leaves from the Potomac Group of Eastern North America

Peter R. Crane, Kaj Raunsgaard Pedersen, Else Marie Friis and Andrew N. Drinnan

Journal:

Systematic Botany

Year:

1993

Language:

english

File:

PDF, 4.65 MB

english, 1993

8

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?

Friis, Else Marie, Pedersen, Kaj Raunsgaard

Journal:

Year:

2011

Language:

english

File:

PDF, 23.23 MB

english, 2011

9

Hedyosmum -Like Fossils in the Early Cretaceous Diversification of Angiosperms

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

International Journal of Plant Sciences

Year:

2019

Language:

english

File:

PDF, 9.11 MB

english, 2019

10

The endothelium in seeds of early angiosperms

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

New Phytologist

Year:

2019

Language:

english

File:

PDF, 999 KB

english, 2019

11

Melloniflora , a New Extinct Multiparted Flower from the Early Cretaceous of Virginia, USA

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

International Journal of Plant Sciences

Year:

2020

File:

PDF, 26.55 MB

2020

12

[italic]Catanthus[/italic], An Extinct Magnoliid Flower From The Early Cretaceous Of Portugal

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

International Journal of Plant Sciences

Year:

2020

File:

PDF, 7.07 MB

2020

13

Structure of the lower cretaceous fern Onychiopsis psilotoides from Bornholm, Denmark

Else Marie Friis, Kaj Raunsgaard Pedersen

Journal:

Review of Palaeobotany and Palynology

Year:

1990

Language:

english

File:

PDF, 15.58 MB

english, 1990

14

Angiosperm Flowers and Tricolpate Pollen of Buxaceous Affinity from the Potomac Group (Mid-Cretaceous) of Eastern North America

Andrew N. Drinnan, Peter R. Crane, Else Marie Friis and Kaj Raunsgaard Pedersen

Journal:

American Journal of Botany

Year:

1991

Language:

english

File:

PDF, 7.09 MB

english, 1991

15

Erdtmanitheca portucalensis , a new pollen organ from the Early Cretaceous (Aptian–Albian) of Portugal with Eucommiidites -type pollen

Mendes, Mário Miguel, Pais, João, Pedersen, Kaj Raunsgaard, Friis, Else Marie

Journal:

Year:

2010

Language:

english

File:

PDF, 5.54 MB

english, 2010

16

Special Issue: Conceptual Advances in Fossil Plant Biology Edited by Gar Rothwell and Ruth Stockey || New Diversity among Chlamydospermous Seeds from the Early Cretaceous of Portugal and North America

Else Marie Friis, Kaj Raunsgaard Pedersen, and Peter R. Crane

Journal:

International Journal of Plant Sciences

Year:

2013

Language:

english

File:

PDF, 5.57 MB

english, 2013

17

Three-dimensional visualization of fossil flowers, fruits, seeds, and other plant remains using synchrotron radiation X-ray tomographic microscopy (SRXTM): new insights into Cretaceous plant diversity

Friis, Else Marie, Marone, Federica, Pedersen, Kaj Raunsgaard, Crane, Peter R., Stampanoni, Marco

Journal:

Journal of Paleontology

Year:

2014

Language:

english

File:

PDF, 4.93 MB

english, 2014

18

Appomattoxia ancistrophora gen. et sp. nov., a New Early Cretaceous Plant with Similarities to Circaeaster and Extant Magnoliidae

Else Marie Friis, Kaj Raunsgaard Pedersen and Peter R. Crane

Journal:

American Journal of Botany

Year:

1995

Language:

english

File:

PDF, 4.05 MB

english, 1995

19

Exceptional preservation of tiny embryos documents seed dormancy in early angiosperms

Marie Friis, Else, Crane, Peter R., Raunsgaard Pedersen, Kaj, Stampanoni, Marco, Marone, Federica

Journal:

Year:

2015

Language:

english

File:

PDF, 4.03 MB

english, 2015

20

Lauraceous Flowers from the Potomac Group (Mid-Cretaceous) of Eastern North America

Andrew N. Drinnan, Peter R. Crane, Else Marie Friis and Kaj Raunsgaard Pedersen

Journal:

Botanical Gazette

Year:

1990

Language:

english

File:

PDF, 9.46 MB

english, 1990

21

Canrightiopsis , a new Early Cretaceous fossil with Clavatipollenites -type pollen bridge the gap between extinct Canrightia and extant Chloranthaceae

Friis, Else Marie, Grimm, Guido W., Miguel Mendes, Mário, Pedersen, Kaj Raunsgaard

Journal:

Year:

2015

Language:

english

File:

PDF, 3.92 MB

english, 2015

22

Potomacanthus lobatus gen. et sp. nov., a New Flower of Probable Lauraceae from the Early Cretaceous (Early to Middle Albian) of Eastern North America

Maria von Balthazar, Kaj Raunsgaard Pedersen, Peter R. Crane, Marco Stampanoni and Else Marie Friis

Journal:

American Journal of Botany

Year:

2007

Language:

english

File:

PDF, 5.19 MB

english, 2007

23

Kenilanthus , a new eudicot flower with tricolpate pollen from the Early Cretaceous (early-middle Albian) of eastern North America

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Year:

2016

Language:

english

File:

PDF, 3.11 MB

english, 2016

24

The emergence of core eudicots: new floral evidence from the earliest Late Cretaceous

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Proceedings Biological Sciences

Year:

2016

Language:

english

File:

PDF, 1.98 MB

english, 2016

25

Early Flowers and Angiosperm Evolution || Origin and age of angiosperms

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Year:

2011

Language:

english

File:

PDF, 948 KB

english, 2011

26

Tanispermum , a new genus of hemi-orthotropous to hemi-anatropous angiosperm seeds from the Early Cretaceous of eastern North America

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

American Journal of Botany

Year:

2018

Language:

english

File:

PDF, 4.88 MB

english, 2018

27

Battenispermum hirsutum gen. et sp. nov., a new Early Cretaceous seed from Portugal with chlamydospermous organisation

Mendes, Mário Miguel, Pedersen, Kaj Raunsgaard, Friis, Else Marie

Journal:

Cretaceous Research

Year:

2020

File:

PDF, 60.53 MB

2020

28

Reproductive structure and function in CretaceousChloranthaceae

Peter R. Crane, Else Marie Friis, Kaj Raunsgaard Pedersen

Journal:

Plant Systematics and Evolution

Year:

1989

Language:

english

File:

PDF, 3.70 MB

english, 1989

29

Chloranthaceous floral structures from the Late Cretaceous of Sweden

Helena Eklund, Else Marie Friis, Kaj Raunsgaard Pedersen

Journal:

Plant Systematics and Evolution

Year:

1997

Language:

english

File:

PDF, 7.92 MB

english, 1997

30

10.1038/35066557

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Year:

2001

Language:

english

File:

PDF, 193 KB

english, 2001

31

The origin and early diversification of angiosperms

Crane, Peter R., Friis, Else Marie, Pedersen, Kaj Raunsgaard

Journal:

Year:

1995

File:

PDF, 1.02 MB

1995

32

When Earth started blooming: insights from the fossil record

Else Marie Friis, Kaj Raunsgaard Pedersen, Peter R Crane

Journal:

Current Opinion in Plant Biology

Year:

2005

Language:

english

File:

PDF, 294 KB

english, 2005

33

Cretaceous diversification of angiosperms in the western part of the Iberian Peninsula

Else Marie Friis, Kaj Raunsgaard Pedersen, Peter R. Crane

Journal:

Review of Palaeobotany and Palynology

Year:

2010

Language:

english

File:

PDF, 7.01 MB

english, 2010

34

Reproductive structures of an extinct platanoid from the early Cretaceous (latest Albian) of eastern North America

Kaj Raunsgaard Pedersen, Else Marie Friis, Peter R. Crane, Andrew N. Drinnan

Journal:

Review of Palaeobotany and Palynology

Year:

1994

Language:

english

File:

PDF, 5.90 MB

english, 1994

35

Carpestella lacunatagen. et sp. nov., a New Basal Angiosperm Flower from the Early Cretaceous (Early to Middle Albian) of Eastern North America

Maria von Balthazar, Kaj Raunsgaard Pedersen, Peter R. Crane, and Else Marie Friis

Journal:

International Journal of Plant Sciences

Year:

2008

Language:

english

File:

PDF, 1.05 MB

english, 2008

36

Early Cretaceous floral structures and in situ tricolpate‐striate pollen: New early eudicots from Portugal

Pedersen, Kaj Raunsgaard, von Balthazar, Maria, Crane, Peter R., Friis, Else Marie

Journal:

Year:

2007

Language:

english

File:

PDF, 1.27 MB

english, 2007

37

Early Angiosperm Diversification: The Diversity of Pollen Associated with Angiosperm Reproductive Structures in Early Cretaceous Floras from Portugal

Else Marie Friis, Kaj Raunsgaard Pedersen and Peter R. Crane

Journal:

Annals of the Missouri Botanical Garden

Year:

1999

Language:

english

File:

PDF, 10.64 MB

english, 1999

38

Fossil floral structures of a basal angiosperm with monocolpate, reticulate-acolumellate pollen from the Early Cretaceous of Portugal

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Year:

2000

Language:

english

File:

PDF, 5.15 MB

english, 2000

39

Bertilanthus scanicus, a New Asterid Flower from the Late Cretaceous (Late Santonian–Early Campanian) of Scania, Sweden

Else Marie Friis and Kaj Raunsgaard Pedersen

Journal:

International Journal of Plant Sciences

Year:

2012

Language:

english

File:

PDF, 2.66 MB

english, 2012

40

Floral Structure of ExtantQuintinia(Paracryphiales, Campanulids) Compared with the Late CretaceousSilvianthemumandBertilanthus

Else Marie Friis, Kaj Raunsgaard Pedersen, and Peter K. Endress

Journal:

International Journal of Plant Sciences

Year:

2013

Language:

english

File:

PDF, 3.88 MB

english, 2013

41

Flowers—Diversity, Development, and EvolutionA conference organized and held at the Institute of Systematic Botany, University of Zurich, Switzerland, July 5–7, 2002 || Endressianthus, a New Normapolles‐Producing Plant Genus of Fagalean Affinity from the Late Cretaceous of Portugal

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Schonenberger, Jurg

Journal:

International Journal of Plant Sciences

Year:

2003

Language:

english

File:

PDF, 3.17 MB

english, 2003

42

Arcellites punctatus sp. nov.: a new megaspore from the Early Cretaceous of Portugal studied using high resolution synchrotron radiation X-ray tomographic microscopy (SRXTM)

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Marone, Federica

Journal:

Year:

2014

Language:

english

File:

PDF, 951 KB

english, 2014

43

Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America

Friis, Else Marie, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Year:

2014

Language:

english

File:

PDF, 2.30 MB

english, 2014

44

Pollen Organs and Seeds with Eucommiidites Pollen

Pedersen, Kaj Raunsgaard, Crane, Peter R., Friis, Else Marie

Journal:

Year:

1989

Language:

english

File:

PDF, 2.39 MB

english, 1989

45

Anacostia , a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen

Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard

Journal:

Year:

1997

Language:

english

File:

PDF, 4.68 MB

english, 1997

46

Eucommiitheca hirsuta , a new pollen organ with Eucommiidites pollen from the Early Cretaceous of Portugal

Friis, Else Marie, Pedersen, Kaj Raunsgaard

Journal:

Year:

1996

Language:

english

File:

PDF, 1.56 MB

english, 1996

47

Seed Size and Dispersal Systems of Early Cretaceous Angiosperms from Famalicão, Portugal

Ove Eriksson, Else Marie Friis, Kaj Raunsgaard Pedersen, and Peter R. Crane

Journal:

International Journal of Plant Sciences

Year:

2000

Language:

english

File:

PDF, 1.11 MB

english, 2000

48

Lauraceous Flowers from the Potomac Group (Mid-Cretaceous) of Eastern North America

Drinnan, Andrew N., Crane, Peter R., Friis, Else Marie, Pedersen, Kaj Raunsgaard

Journal:

Botanical Gazette

Year:

1990

Language:

english

File:

PDF, 9.38 MB

english, 1990

49

Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America

Friis, Else Marie, Eklund, Helena, Pedersen, Kaj Raunsgaard, Crane, Peter R.

Journal:

Botanical Bulletin

Year:

1994

Language:

english

File:

PDF, 5.91 MB

english, 1994

50

Darwin and the Evolution of Flowers || Diversity in Obscurity: Fossil Flowers and the Early History of Angiosperms

Else Marie Friis, Kaj Raunsgaard Pedersen and Peter R. Crane

Journal:

Philosophical Transactions Biological Sciences

Year:

2010

Language:

english

File:

PDF, 3.86 MB

english, 2010

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