Publications

Interlink to poster, presentations, and conference abstracts

Denk T, Grimm GW, Röseler A-K. In press. When field botany meets history: taxonomy of Platanus mexicana Moric. in Mexico. Willdenowia 999: 999-999.
Grimm GW, Denk T. 2012. Reliability and resolution of the coexistence approach - a revalidation using modern-day data. Review of Palaeobotany & Palynology TBA: 999-999. – Comprehensive Electronic Supplement including GIS files [8 MB] or without GIS files, only including spread sheets ES1–9 and GoogleEarth location file [3 MB]
Schlee M, Göker M, Grimm GW, Hemleben V. 2011. Genetic patterns in the Lathyrus pannonicus complex (Fabaceae) reflect ecological differentiation rather than biogeography and traditional subspecific division. Botanical Journal of the Linnean Society 165: 402-421. – Comprehensive data (ITS matrix, relevé data, etc.) is included in the electronic supplement on the journal's homepage.
Denk T, Grimm GW. 2010. The oaks of western Eurasia: Traditional classifications and evidence from two nuclear markers. Taxon 59: 351-366. – Get data, networks and trees. Phylogenetic network of western Eurasian oaks (Quercus) based on transformed cloned 5S-IGS data
Göker M, Grimm GW, Auch AF, Aurahs R, Kučera M. 2010. A clustering optimization strategy for molecular taxonomy and its application to planktonic foraminifera SSU rDNA. Evolutionary Bioinformatics 6: 97-112. — Open access
Grimm GW, Denk T. 2010. The reticulate origin of modern plane trees (Platanus, Platanaceae) - a nuclear marker puzzle. Taxon 59: 134-147. – Here's the data (and more). Genepools of extant plane trees (Platanus)
Schlee M, Göker M, Grimm GW, Hemleben V. 2010. Relicts within the genus complex Astragalus/ Oxytropis (Fabaceae), and the comparison of diversity by objective means. In: JC Habel & T Assmann (Eds.): Relict Species. Springer, Heidelberg, New York, p. 105-118. – Take a look at the poster presented in Leipzig. Species-level cluster in the Astragalus-Oxytropis complex
Stamatakis A, Göker M, Grimm GW. 2010. Maximum likelihood analysis of 3,490 rbcL sequences: Scalability of comprehensive inference versus group-specific taxon sampling. Evolutionary Bioinformatics 6: 73-90. — Open access
nexus- and phylip-formatted alignments can be found here.
Results of group-specific taxon subsampling using eudicot rbcL data, order-level predefined taxonomic units and a reduction factor of 64
Aurahs R, Göker M, Grimm GW, Hemleben V, Hemleben C, Schiebel R, Kučera M. 2009. Using the multiple analysis approach to reconstruct phylogenetic relationships among planktonic Foraminifera from highly divergent and length-polymorphic SSU rDNA sequences. Bioinformatics & Biology Insights 3: 155-177. — Open accessML tree of planktonic foraminifers based on the multiple analysis approach and unfiltered SSU alignments
Aurahs R, Grimm GW, Hemleben V, Hemleben C, Kučera M.. 2009. Geographical distribution patterns of cryptic genetic types in the planktonic foraminifer Globigerinoides ruber. Molecular Ecology 18: 1692-1706. Spatial distribution of SSU genotypes of the planktonic foraminifer Globigerinoides ruber and allies
Denk T, Grimm GW. 2009. Significance of pollen characteristics for infrageneric classification and phylogeny in Quercus (Fagaceae). International Journal of Plant Science 170: 926-940. Diagnostic pollen types of oaks (Quercus)
Denk T, Grimm GW. 2009. The biogeographic history of beech trees. Review of Palaeobotany & Palynology 158: 83-100. – Get the data. Use it wisely! Miocene biogeography of Fagus (beech trees)
Friis EM, Pedersen KR, von Balthazar M, Grimm GW, Crane PR. 2009. Monetianthus mirus gen. and sp. nov., a nymphaealean flower from the early Cretaceous of Portugal. International Journal of Plant Sciences 170: 1086-1101. Angiosperm network based on morphological distances including the fossil Monethianthus
Tsuchiya M, Grimm GW, Heinz P, Stögerer K, Ertan KT, Collen J, Brüchert V, Hemleben C, Hemleben V, Kitazato H. 2009. Ribosomal DNA shows extremely low genetic divergence in a world-wide distributed, but disjunct and highly adapted marine protozoan (Virgulinella fragilis, Foraminiferida. Marine Micropaleontology 70: 8-19. SSU genotypes in Virgulinella fragilis
Göker M, Grimm GW. 2008. General functions to transform associate data to host data, and their use in phylogenetic inference from sequences with intra-individual variability. BMC Evolutionary Biology 8: 86. — Open accessNetwork based on Phylogenetic Bray-Curtis transformed cloned ITS data of Acer sect. Acer
Grimm GW, Denk T. 2008. ITS evolution in Platanus: homoeologues, pseudogenes, and ancient hybridisation. Annals of Botany 101: 403-419. Evolution of modern Platanus based on non-pseudogenous and pseudogenous ITS variants
Komarova NY, Grimm GW, Hemleben V, Volkov RA. 2008. Molecular evolution of 35S rDNA and taxonomic status of Lycopersicon within Solanum sect. Petota. Plant Systematics and Evolution 276: 59-71. Evolution of the Variable Region in the ETS of Solanum-Lycopersicon
Renner SS, Grimm GW, Schneeweiss GM, Stuessy TF, Ricklefs RE. 2008. Rooting and dating maples (Acer) with an uncorrelated-rates molecular clock: Implications for North American/Asian range disjunctions. Systematic Biology 57: 795-808. Chronogram based on cpDNA data of Acer
Draper I, Hedenäs L and Grimm GW. 2007. Molecular and morphological incongruence in European species of Isothecium (Bryophyta). Molecular Phylogenetics and Evolution 42: 700-716. Molecular differentiation patterns in Isothecium
Friis EM, Crane PR, Pedersen KR, Bengtson S, Donoghue PCJ, Grimm GW, Stampanoni M. 2007. Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales. Nature 450: 549-552. The Bennetittales-Erdtmanithecales-Gnetales clade
Grimm GW, Denk T, Hemleben V. 2007. Evolutionary history and systematics of Acer section Acer - a case study of low-level phylogenetics. Plant Systematics and Evolution 267: 215-253. Evolutionary unfolding of Acer sect. Acer
Grimm GW, Denk T, Hemleben V. 2007.Coding of intraspecific nucleotide polymorphisms: a tool to resolve reticulate evolutionary relationships in the ITS of beech trees (Fagus L., Fagaceae). Systematics and Biodiversity 5 (3): 291-309. Open the PDF -© Systematics and Biodiversity, The Natural History Museum Gain and loss of diagnostic site variability in the ITS of beech trees (Fagus)
Grimm GW, Stögerer K, Ertan KT, Kitazato H, Kučera M, Hemleben V, Hemleben C. 2007. Diversity of rDNA in Chilostomella: molecular differentiation patterns and putative hermit types. Marine Micropaleontology 62: 75-90. Schematic sequence structure of foraminiferal SSU variants obtained from Chilostomella isolates
Renner SS, Beenken L, Grimm GW, Kocyan A, Ricklefs RE. 2007. The evolution of dioecy, heterodichogamy, and labile sex expression in Acer. Evolution 61: 2701-2719. Sexual systems in maples (Acer)
Grimm GW, Renner SS, Stamatakis A, Hemleben V. 2006. A nuclear ribosomal DNA phylogeny of Acer inferred with maximum likelihood, splits graphs, and motif analyses of 606 sequences. Evolutionary Bioinformatics 2: 7-22 [279-294]. — Open access
Page numbers changed in 2007, originally pp. 279-294.
Phylogenetic alternatives considering the unfolding of major lineages in maples (Acer)
Denk T, Grimm GW. 2005. Phylogeny and biogeography of Zelkova (Ulmaceae s.str.) as inferred from leaf morphology, ITS sequence data and the fossil record. Botanical Journal of the Linnean Society 147: 129-157. Lineage sorting & lateral gene flow in Zelkova
Denk T, Grimm GW, Hemleben V. 2005. Patterns of molecular and morphological differentiation in Fagus: implications for phylogeny. American Journal of Botany 92: 1006-1016. Evolution of an oligonucleotide motif in the ITS of Fagus
Grimm GW, Schlee M, Komarova NY, Volkov RA, Hemleben V. 2005. Low-level taxonomy and intrageneric evolutionary trends in higher plants. Nova Acta Leopoldina NF Vol. 92, no. 342, p. 129-145.Open the PDF (hi-res scan). Extant and extinct ITS genepools of <i>Fagus</i>
Grimm GW. 2003. Tracing the Mode and Speed of Intrageneric evolution - A phylogenetic case study on genus Acer L. (Aceraceae) and genus Fagus L. (Fagaceae) using fossil, morphological, and molecular data. D.Sc. thesis, Eberhard-Karls-Universität, Tübingen, Germany, 159 pp + appendices. — Open accessEvolution of a length-polymorphic motif in the ITS2 of <i>Acer</i> sect. <i>Palmata</i>
Denk T, Grimm G, Stögerer K, Langer M, Hemleben V. 2002. The evolutionary history of Fagus in western Eurasia: Evidence from genes, morphology and the fossil record. Plant Systematics and Evolution 232: 213-236.
Grimm GW. 2000. Mapping report and geological map of the north-eastern part of the Radicondoli Basin, Radicondoli, Tuscany, Italy. Eberhard-Karls-Universität, Tübingen, Germany, 27 pp.
Roth-Nebelsick A, Grimm G, Mosbrugger V, Hass H, Kerp H. 2000. Morphometric analysis of Rhynia and Asteroxylon: testing functional aspects of early land plant evolution. Paleobiology 26(3): 405-418.
Roth-Nebelsick A, Mosbrugger V, Grimm G. 2000. Evolution of Water Transport Systems in Early Land Plants - A trade-off between fabricational cost and functional performance. In: H-C Spatz & T. Speck (Eds.): Plant Biomechanics. Thieme Verlag, Stuttgart, p.123-128.
Grimm GW. 1999. Phylogenie der Cycadales. Graduation-Thesis, Eberhard-Karls-Universität, Tübingen, Germany, 82 pp. Translated abstract
Access to full text



Presentations

2011

Wanntorp L, Grimm GW, Forster PI, Grudinski M, Muellner A. The genus Hoya (Apocynaceae) and its contribution to the understanding of the diversification of the Indomalesian archipelago. International Botanical Conference, Melborne, July 2011.

2010

Grimm GW. Clearing up the "thicket of life": How to include fossils in phylogenetic reconstructions. 8th European Palaeobotany – Palynology Conference, Budapest, July 2010. [abstract]

Grimm GW, Denk T. The role of the North Atlantic Land Bridge for Neogene transatlantic plant migration: Morphological, molecular and fossil evidence. 8th European Palaeobotany – Palynology Conference, Budapest, July 2010. [abstract]

2009

Schlee M, Göker M, Grimm GW, Hemleben V. Molecular phylogeny and species definition within the species rich Astragalus/Oxytropis complex (Fabaceae). Yearly meeting of the German Botanical Society, Leipzig, September 2009. [poster]

Denk T, Grimm GW. Phylogenetics and the palaeobotanical revolution. Yearly meeting of the German Palaeontological Society, Bonn, October 2009.

2008

Renner SS, Grimm GW. Estimating the ages of extant Gnetales. 8th conference of the International Organisation of Palaeobotany (IOPC-VIII), Bonn, August/September 2008. [abstract]

2007

Schlee M, Grimm GW, Sauer W, Hemleben V. Broad data from nuclear spacers fill the gap between population studies and phylogenetics - A case study of Lathyrus and Oxytropis (Fabaceae). Popbio 2007, Basel, May 2007. [abstract]

Aurahs R, Grimm G, Hemleben V, Hemleben C, Kučera M. Genetic types of Globigerinoides ruber in the Eastern Atlantic and the Mediterranean Sea. The Foraminiferal and Nanofossil Groups joint Spring Meeting 2007, Angers, June 2007.

Renner SS, Grimm GW, Schneeweiß GM, Stuessy TF, Ricklefs R. Rooting and dating maples via Bayesian evolutionary analyses: Implications for Asian/North American range disjunctions. Botany & Plant Biology 2007 Joint Congress, Chicago, July 2007. Link to abstract.

Grimm GW, Denk T. ITS evolution in Platanus: Homoeologues, pseudogenes, and ancient hybridisation. Oral presentation, abstract. ESEB XI Congress, Uppsala, August 2007.

Grimm G, Denk T, Hemleben V. Farewell to dichotomous models of phylogeny: Reconstructing patterns of low-level evolution in maples. Poster presentation, abstract. Meeting of the German Botanical Society, Hamburg, September 2007.

Hemleben V, Komarova N, Grimm G, Volkov R. Origin and taxonomic status of Lycopersicon: Evidence from the evolution of the rDNA 5#146; external transcribed spacer. Meeting of the German Botanical Society, Hamburg, September 2007. Link to abstract.

Schlee M, Göker M, Grimm G, Sauer W, Hemleben V. Ecological adaptation leading to speciation in Lathyrus: Combining nuclear spacer data and phytosociologic surveys using phylogenetic networks. Meeting of the German Botanical Society, Hamburg, September 2007. Link to abstract.

2006

Grimm GW, Sprenger D, Hemleben C, Hemleben V. Molecular evolution of the foraminiferal SSU rDNA: prospects and pitfalls. Oral presentation, abstract. FORAMS 2006, Natal, September 2006.

Hemleben V, Grimm GW, Kitazato H, Hemleben C. Diversity of rDNA in Chilostomella: molecular differentiation pattern and putative hermit types. FORAMS 2006, Natal, September 2006. Link to abstract.

2005

Denk T, Grimm GW, Tekleva, MV. Morphology, genes, and fossils to infer evolution in Platanaceae. XVII International Botanical Congress, Vienna, July 2005.

Schlee M, Grimm GW, Hemleben V. Molecular defined migration pathways of rare species of the genera Lathyrus and Oxytropis (Fabaceae). XVII International Botanical Congress, Vienna, July 2005.

2004

Grimm GW, Hemleben V.. Low-level taxonomy and intrageneric evolutionary trends in higher plants. Invited speech. Symposion "From plant taxonomy to molecular systematics" of the "Deutschen Akademie der Naturforscher Leopoldina". Reichelsheim, Germany, June 2004.

Grimm GW, Schlee M, Hemleben V. Ancient and recent hybridisation - the ITS as tool to reconstruct reticulate evolution. Oral presentation. Biannual meeting of the German Botanical Society (DBG). Braunschweig, August 2004.

2002

Grimm GW, Hemleben V. Tracing the molecular evolution and phylogenetic relationships of maples (genus Acer, Aceraceae). Poster presentation. Biannual meeting of the German Botanical Society (DBG). Freiburg i. Br., September 2002.

2001

Grimm G, Denk T, Stögerer K, Langer M, Hemleben V. Species differentiation in Fagus (Fagaceae): Evidence from nuclear ribosomal DNA (ITS1,ITS2), morphometric analyses, and palaeobotanical data. Poster presentation, abstract. 15th International Symposium, German Botanical Society, Section Biodiversity und Evolutionary Biology. Bochum, September 2001.

2000

Grimm GW. Cladistic analyses of fossil and recent Cycadales based on morphological and molecular data. Oral presentation. 6th Conference of the International Organization of Paleobotany (IOPC-VI). Qinhuangdao, August 2000.

update: 01/2012