Else Marie Friis
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Danish botanist and paleontologist
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Biology
Else Marie Friis's Degrees
- PhD Botany University of Copenhagen
- Masters Botany University of Copenhagen
Why Is Else Marie Friis Influential?
(Suggest an Edit or Addition)According to Wikipedia, Else Marie Friis is a Danish botanist and paleontologist. She is Professor Emerita in the Department of Geoscience at Aarhus University. Her work has been fundamental in the phylogenetic analysis of angiosperms, with widespread application to reproductive biology.
Else Marie Friis's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- The origin and early diversification of angiosperms (1995) (647)
- Early Flowers and Angiosperm Evolution (2011) (453)
- Cretaceous angiosperm flowers: Innovation and evolution in plant reproduction (2006) (346)
- A Reevaluation of Seed Plant Phylogeny (1994) (312)
- The Origins of Angiosperms and their Biological Consequences (1988) (271)
- Molecular phylogenetic dating of asterid flowering plants shows early Cretaceous diversification. (2004) (254)
- Seed Size, Fruit Size, and Dispersal Systems in Angiosperms from the Early Cretaceous to the Late Tertiary (2000) (214)
- Early angiosperm diversification : The diversity of pollen associated with angiosperm reproductive structures in early Cretaceous floras from Portugal (1999) (210)
- Fossil evidence of water lilies (Nymphaeales) in the Early Cretaceous (2001) (209)
- The spread of grass-dominated habitats in Turkey and surrounding areas during the Cenozoic: Phytolith evidence (2007) (198)
- Dating phylogenetically basal eudicots using rbcL sequences and multiple fossil reference points. (2005) (185)
- Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales (2007) (176)
- Diversity in obscurity: fossil flowers and the early history of angiosperms (2010) (173)
- Seed Plant Relationships and the Systematic Position of Gnetales Based on Nuclear and Chloroplast DNA: Conflicting Data, Rooting Problems, and the Monophyly of Conifers (2002) (169)
- On the evolutionary history of Ephedra: Cretaceous fossils and extant molecules. (2004) (154)
- Archaefructus--angiosperm precursor or specialized early angiosperm? (2003) (154)
- Araceae from the Early Cretaceous of Portugal: evidence on the emergence of monocotyledons. (2004) (145)
- Angiosperm floral structures from the Early Cretaceous of Portugal (1994) (145)
- Early cretaceous (early to middle Albian) platanoid inflorescences associated with Sapindopsis leaves from the Potomac Group of eastern North America (1993) (141)
- Lauraceous Flowers from the Potomac Group (Mid-Cretaceous) of Eastern North America (1990) (137)
- Fossils and plant phylogeny. (2004) (131)
- Reproductive Structure and Organization of Basal Angiosperms from the Early Cretaceous (Barremian or Aptian) of Western Portugal (2000) (128)
- Upper Cretaceous (Senonian) floral structures of juglandalean affinity containing normapolles pollen (1983) (128)
- Palaeobotanical redux: revisiting the age of the angiosperms (2017) (126)
- Early Angiosperms from the Lower Cretaceous Crato Formation (Brazil), a Preliminary Report (2000) (110)
- Sinocarpus decussatus gen. et sp. nov., a new angiosperm with basally syncarpous fruits from the Yixian Formation of Northeast China (2003) (108)
- Palaeobotanical evidence on the early radiation of magnoliid angiosperms (1994) (107)
- Floral evidence for Cretaceous chloranthoid angiosperms (1986) (103)
- Angiosperm flowers and tricolpate pollen of buxaceous affinity from the Potomac Group (mid-Cretaceous)of Eastern North America (1991) (103)
- Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America (1994) (102)
- Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group. (2009) (101)
- Carbon isotopic abundances in Mesozoic and Cenozoic fossil plants: Palaeoecological implications (1993) (101)
- Former diversity of Ephedra (Gnetales): evidence from Early Cretaceous seeds from Portugal and North America. (2006) (100)
- Fossil Evidence for the Evolution of Biotic Pollination (1991) (94)
- Monetianthus mirus gen. et sp. nov., a Nymphaealean Flower from the Early Cretaceous of Portugal (2009) (91)
- Structurally preserved angiosperm flowers from the Upper Cretaceous of southern Sweden (1981) (91)
- Fruits from the mid-cretaceous of north america with pollen grains of the clavatipollenites type (1991) (85)
- Cratonia cotyledon gen. et sp. nov.: a unique Cretaceous seedling related to Welwitschia (2003) (83)
- Scandianthus gen.nov., Angiosperm Flowers of Gaxifragalean Affinity from the Upper Cretaceous of Southern Sweden (1982) (81)
- Origin and Evolution of Angiosperm Flowers (1990) (80)
- Oldest fossil flowers of hamamelidaceous affinity, from the Late Cretaceous of New Jersey. (1992) (80)
- Pollen Organs and Seeds with Eucommiidites Pollen (1989) (78)
- Cretaceous diversification of angiosperms in the western part of the Iberian Peninsula. (2010) (77)
- Lower Cretaceous Angiosperm Flowers: Fossil Evidence on Early Radiation of Dicotyledons (1986) (74)
- Fossil floral structures of a basal angiosperm with monocolpate, reticulate-acolumellate pollen from the Early Cretaceous of Portugal (2000) (74)
- When Earth started blooming: insights from the fossil record. (2005) (72)
- Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen (1997) (72)
- Normapolles plants: a prominent component of the Cretaceous rosid diversification (2006) (71)
- Reproductive structures of an extinct platanoid from the early Cretaceous (latest Albian) of eastern North America (1994) (70)
- Preliminary Report of Upper Cretaceous Angiosperm Reproductive Organs From Sweden and Their Level of Organization (1984) (70)
- Trichomes on the leaves of Anomozamites villosus sp. nov. (Bennettitales) from the Daohugou beds (Middle Jurassic), Inner Mongolia, China: Mechanical defence against herbivorous arthropods (2012) (69)
- Chloranthaceous floral structures from the Late Cretaceous of Sweden (1997) (67)
- Potomacanthus lobatus gen. et sp. nov., a new flower of probable Lauraceae from the Early Cretaceous (Early to Middle Albian) of eastern North America. (2007) (61)
- Fossil History of Magnoliid Angiosperms (1997) (60)
- Oldest known fossils of monocotyledons (1998) (59)
- Actinocalyx gen. nov., sympetalous angiosperm flowers from the upper cretaceous of southern Sweden (1985) (58)
- Fossil flowers of ericalean affinity from the Late Cretaceous of Southern Sweden. (2001) (57)
- 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 (2014) (56)
- Eucommiitheca hirsuta, a new pollen organ with Eucommiidites pollen from the Early Cretaceous of Portugal (1996) (56)
- Angiosperm leaves associated with Sinocarpus infructescences from the Yixian Formation (mid-Early Cretaceous) of NE China (2006) (56)
- Endressianthus, a New Normapolles‐Producing Plant Genus of Fagalean Affinity from the Late Cretaceous of Portugal (2003) (55)
- Seed Size and Dispersal Systems of Early Cretaceous Angiosperms from Famalicão, Portugal (2000) (53)
- Magnoliid reproductive organs from the Cenomanian-Turonian of north-western Kazakhstan:Magnoliaceae andIlliciaceae (1999) (52)
- Normapolles flowers of fagalean affinity from the Late Cretaceous of Portugal (2001) (52)
- Cunoniaceae in the Cretaceous of Europe: Evidence from Fossil Flowers (2001) (51)
- Teixeiria lusitanica, a new fossil flower from the Early Cretaceous of Portugal with affinities to Ranunculales (2005) (51)
- Appomattoxia ancistrophora gen. et sp. nov., a new Early Cretaceous plant with similarities to Circaeaster and extant Magnoliidae (1995) (49)
- Liaoxia Cao et S.Q. Wu (Gnetales): ephedroids from the Early Cretaceous Yixian Formation in Liaoning, northeastern China (2006) (49)
- Reproductive structure and function in CretaceousChloranthaceae (1989) (48)
- Liriodendroid seeds from the Late Cretaceous of Kazakhstan and North Carolina, USA (1996) (47)
- 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? (2011) (47)
- The morphology and phylogenetic significance of Vardekloeftia Harris (Bennettitales) (1989) (45)
- A Comparison of Floral Structures of Anisophylleaceae and Cunoniaceae and the Problem of their Systematic Position (2001) (45)
- Floral Evidence of Annonaceae from the Late Cretaceous of Japan (2008) (45)
- A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China (2010) (44)
- Early Flowers and Angiosperm Evolution by Else Marie Friis (2011) (43)
- Exceptional preservation of tiny embryos documents seed dormancy in early angiosperms (2015) (37)
- Mauldinia hirsuta sp. nov., a New Member of the Extinct Genus Mauldinia (Lauraceae) from the Late Cretaceous (Cenomanian‐Turonian) of Kazakhstan (2004) (35)
- Structure of the lower cretaceous fern Onychiopsis psilotoides from Bornholm, Denmark (1990) (34)
- Canrightiopsis, a new Early Cretaceous fossil with Clavatipollenites-type pollen bridge the gap between extinct Canrightia and extant Chloranthaceae (2015) (33)
- Carpestella lacunata gen. et sp. nov., a New Basal Angiosperm Flower from the Early Cretaceous (Early to Middle Albian) of Eastern North America (2008) (33)
- Reconstruction of a bennettitalean flower from the Carnian (Upper Triassic) of Lunz, Lower Austria (2010) (32)
- Evolution of Illicium (Illiciaceae): Mapping morphological characters on the molecular tree (2003) (32)
- Archamamelis, hamamelidalean flowers from the Upper Cretaceous of Sweden (1991) (31)
- Fossil Flowers of Fagales from the Kamikitaba Locality (Early Coniacian; Late Cretaceous) of Northeastern Japan (2008) (31)
- Early Cretaceous floral structures and in situ tricolpate‐striate pollen: New early eudicots from Portugal (2007) (30)
- New Diversity among Chlamydospermous Seeds from the Early Cretaceous of Portugal and North America (2013) (29)
- Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America (2014) (29)
- Early cretaceous flora from Vale Painho (Lusitanian basin, western Portugal): An integrated palynological and mesofossil study (2011) (29)
- Erdtmanispermum juncalense sp. nov., a new species of the extinct order Erdtmanithecales from the Early Cretaceous (probably Berriasian) of Portugal (2008) (27)
- Vegetational composition of the Early Cretaceous Chicalhão flora (Lusitanian Basin, western Portugal) based on palynological and mesofossil assemblages (2014) (27)
- Fossil Kajanthus lusitanicus gen. et sp. nov. from Portugal: floral evidence for Early Cretaceous Lardizabalaceae (Ranunculales, basal eudicot) (2014) (27)
- Ovule-bearing organs of Ginkgo ginkgoidea (Tralau) comb. nov., and associated leaves from the Middle Jurassic of Scania, South Sweden (2008) (23)
- Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic (2010) (23)
- Pollen germination in Welwitschia mirabilis Hook. f.: differences between the polyplicate pollen producing genera of the Gnetales (2005) (22)
- Inflorescences and Flowers of Mauldinia angustiloba sp. nov. (Lauraceae) from Middle Cretaceous Karst Infillings in the Rhenish Massif, Germany (2008) (22)
- Rosids - Reproductive structures, fossil and extant, and their bearing on deep relationships: Introduction (2006) (22)
- Erdtmanitheca portucalensis, a new pollen organ from the Early Cretaceous (Aptian–Albian) of Portugal with Eucommiidites-type pollen (2010) (21)
- Budvaricarpus serialis Knobloch & Mai, An Unusual New Member of the Normapolles Complex from the Late Cretaceous of the Czech Republic (2011) (21)
- Paisia, an Early Cretaceous eudicot angiosperm flower with pantoporate pollen from Portugal (2018) (21)
- 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 (2008) (20)
- Pollen Organs and Seeds with Decussosporites Brenner from Lower Cretaceous Potomac Group Sediments of Eastern USA (1993) (19)
- PALAEOECOLOGY OF AN EARLY-MIDDLE MIOCENE LAKE IN CHINA:PRELIMINARY INTERPRETATIONS BASED ON PHYTOLITHS FROM THE SHANWANG BASIN (2007) (19)
- Fossil Seeds of Nymphaeales from the Tamayama Formation (Futaba Group), Late Cretaceous (Early Santonian) of Northeastern Honshu, Japan (2007) (18)
- Mid-Cretaceous charred fossil flowers reveal direct observation of arthropod feeding strategies (2012) (18)
- Baikalophyllum lobatum and Rehezamites anisolobus: Two Seed Plants with “Cycadophyte” Foliage from the Early Cretaceous of Eastern Asia (2012) (17)
- Preliminary account of plant mesofossils from the Maastrichtian Budurone microvertebrate site of the Haţeg Basin, Romania (2010) (17)
- The emergence of core eudicots: new floral evidence from the earliest Late Cretaceous (2016) (16)
- Floral Structure of Extant Quintinia (Paracryphiales, Campanulids) Compared with the Late Cretaceous Silvianthemum and Bertilanthus (2013) (16)
- The Damgaard flora: A new Middle Miocene flora from Denmark (1979) (16)
- Chlamydospermous Seeds Document the Diversity and Abundance of Extinct Gnetalean Relatives in Early Cretaceous Vegetation (2019) (15)
- Early Evolution of Flowers (2002) (15)
- EM-studies on Salviniaceae Megaspores from the Middle Miocene Fasterholt Flora, Denmark (1977) (13)
- The Nossa Senhora da Luz flora from the Early Cretaceous (early Aptian-late Albian) of Juncal in the western Portuguese Basin (2018) (13)
- Rightcania and Kvacekispermum: Early Cretaceous Seeds From Eastern North America and Portugal Provide Further Evidence of the Early Chloranthoid Diversification (2018) (12)
- The Early Cretaceous Mesofossil Flora of Torres Vedras (Ne of Forte Da Forca), Portugal: A Palaeofloristic Analysis of an Early Angiosperm Community (2019) (12)
- Kenilanthus, a new eudicot flower with tricolpate pollen from the Early Cretaceous (early-middle Albian) of eastern North America (2017) (12)
- Flowers on the Tree of Life: New flowers of Laurales from the Early Cretaceous (Early to Middle Albian) of eastern North America (2011) (11)
- Saportanthus, an Extinct Genus of Laurales from the Early Cretaceous of Portugal (2017) (10)
- Arcellites punctatus sp. nov.: a new megaspore from the Early Cretaceous of Portugal studied using high resolution synchrotron radiation X-ray tomographic microscopy (SRXTM) (2014) (10)
- Hedyosmum-Like Fossils in the Early Cretaceous Diversification of Angiosperms (2019) (10)
- Extinct Diversity among Early Cretaceous Angiosperms: Mesofossil Evidence of Early Magnoliales from Portugal (2019) (10)
- Cratonia cotyledon gen. et sp. nov. : a unique seedling related to Welwitschia (2003) (10)
- Bertilanthus scanicus, a New Asterid Flower from the Late Cretaceous (Late Santonian–Early Campanian) of Scania, Sweden (2012) (9)
- Extinct Taxa of Exotestal Seeds Close to Austrobaileyales and Nymphaeales From the Early Cretaceous of Portugal (2018) (9)
- Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica (2017) (8)
- Current Perspectives on Basal Angiosperms: Introduction (2000) (8)
- Late Cretaceous follicular fruits from southern Sweden with systematic affinities to early diverging eudicots (2005) (7)
- Botany: New home for tiny aquatics (2007) (7)
- 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 (2018) (7)
- Battenispermum hirsutum gen. et sp. nov., a new Early Cretaceous seed from Portugal with chlamydospermous organisation (2020) (6)
- The endothelium in seeds of early angiosperms. (2019) (6)
- Catanthus, an Extinct Magnoliid Flower from the Early Cretaceous of Portugal (2020) (5)
- Early Flowers and Angiosperm Evolution: Early fossils of eudicots: asterids (2011) (5)
- Plant mesofossils from the Late Cretaceous Klikov Formation, the Czech Republic (2021) (4)
- Geminispermum, an Early Cretaceous (early–middle Albian) cupulate unit from the angiosperm-dominated Puddledock flora of eastern North America (2019) (3)
- Paleobotany of Land Plants (1995) (3)
- Leaf whorls of Cupressaceae from the Miocene Fasterholt flora, Denmark (1977) (3)
- observation of arthropod feeding strategies Mid-Cretaceous charred fossil flowers reveal direct (2011) (3)
- Cycadocephalus Nathorst, a fern not a bennettite (1991) (3)
- Introduction — Major trends in the study of early flower evolution (1994) (3)
- Origin and Radiation of Angiosperms (2007) (3)
- Early Flowers and Angiosperm Evolution: Introduction to angiosperms (2011) (3)
- Tanispermum, a new genus of hemi-orthotropous to hemi-anatropous angiosperm seeds from the Early Cretaceous of eastern North America. (2018) (3)
- Blomster fra Kridttiden (2014) (3)
- Multiparted, apocarpous flowers from the Early Cretaceous of eastern North America and Portugal (2020) (2)
- Angiosperm origins (1989) (2)
- Water lilies, loss of woodiness, and model systems (2020) (2)
- Melloniflora, a New Extinct Multiparted Flower from the Early Cretaceous of Virginia, USA (2020) (2)
- Early Flowers and Angiosperm Evolution: Patterns of structural diversification in angiosperm reproductive organs (2011) (2)
- Early Flowers and Angiosperm Evolution: History and evolution of pollination in angiosperms (2011) (2)
- Early Flowers and Angiosperm Evolution: The environmental context of early angiosperm evolution (2011) (1)
- Angiosperm origins: comment and reply (1989) (1)
- Darwin and the evolution of flowers (2010) (1)
- Diversity and evolution of land plants (1993) (1)
- The evolutionary history of Ephedra ; evidence from fossils and molecular data (2004) (1)
- Early flowers of primuloid Ericales from the Late Cretaceous of Portugal and their ecological and phytogeographic implications (2021) (1)
- 133 Returning to old friends : reexamination of Silvianthemum suecicum using SXRTM (2012) (1)
- Microsporangiophores from the Early Cretaceous (Berriasian) of Bornholm, Denmark, with comments on a pre-angiosperm xerophytic flora (2021) (1)
- Early eudicot reproductive structure: Fruit and flower morphology of Ranunculaecarpus Samyl. from the Early Cretaceous of eastern Siberia (2018) (1)
- Early and Mid-Cretaceous Aristolochiaceous Seeds from Portugal and Eastern North America (2022) (0)
- Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica (2017) (0)
- Early Flowers and Angiosperm Evolution: Fossils of monocots (2011) (0)
- Extinct seed plant diversity in the Early Cretaceous: An enigmatic new microsporangiate fossil with Decussosporites pollen in situ (2022) (0)
- Stratigraphic framework and key areas for Cretaceous angiosperms (2011) (0)
- 132 Square seeds and Early Cretaceous chlamydosperm diversity (2012) (0)
- Multipartite Flowers with a Distinct Floral Cup and Multiovulate Carpels: An Early Cretaceous Angiosperm of Probable Lauralean Relationship (2023) (0)
- Early Cretaceous vegetation and the emergence of angiosperms in Europe and North America (2017) (0)
- Divergence times of phylogenetically basal eudicots (2005) (0)
- Early Flowers and Angiosperm Evolution: Fossils of core eudicots: rosids (2011) (0)
- Miocene macroflora of Damgaard (Denmark) (2004) (0)
- Early Flowers and Angiosperm Evolution: Early fossils of eumagnoliids (2011) (0)
- Green plants: Their origin and diversity: by Peter R. Bell, Cambridge University Press, 1992. £16.95 pbk (v + 315 pages) ISBN 0 521 43875 6 (1993) (0)
- Early Flowers and Angiosperm Evolution: The accumulation of angiosperm diversity (2011) (0)
- Early Flowers and Angiosperm Evolution: Fossils near the base of the angiosperm tree (2011) (0)
- Systematic and taxonomic approaches in palaeobotany (1988) (0)
- Early Flowers and Angiosperm Evolution: Fossils of core eudicots: basal lineages (2011) (0)
- Early Flowers and Angiosperm Evolution: References (2011) (0)
- The legacy of Norman Hughes (1995) (0)
- Flower structure of extant and fossil Platanaceae - implications for perianth evolution (2008) (0)
- Early Flowers and Angiosperm Evolution: The nature of the angiosperm fossil record (2011) (0)
- 183 Preliminary report on new plant mesofossils from the Klikov Formation, Cretaceous, Czech Republic (2012) (0)
- Early Flowers and Angiosperm Evolution: Vegetational context of early angiosperm diversification (2011) (0)
- Early Flowers and Angiosperm Evolution: Origin and age of angiosperms (2011) (0)
- Early Flowers and Angiosperm Evolution: History and evolution of dispersal in angiosperms (2011) (0)
- D. Taxonomy I. Palaeobotany (1989) (0)
- Angiosperm origin and radiation (2001) (0)
- Early Flowers and Angiosperm Evolution: Fossils of eudicots: early-diverging groups (2011) (0)
- Early Flowers and Angiosperm Evolution: Early fossil angiosperms of uncertain relationships (2011) (0)
- Early Flowers and Angiosperm Evolution: Phylogenetic framework and the assignment of fossils to extant groups (2011) (0)
- Early Flowers and Angiosperm Evolution: Angiosperms in context: extant and fossil seed plants (2011) (0)
- Sixteenth International Botanical Congress symposia 'Current perspectives on basal angiosperms', held at St. Louis, Missouri, USA, 3 August 1999. (2000) (0)
- The Early Cretaceous mesofossil flora of Catefica, Portugal: angiosperms (2022) (0)
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