Systematics of Fraxinus (Oleaceae) and evolution of dioecy

E Wallander - Plant Systematics and Evolution, 2008 - Springer
Phylogenetic relationships among 40 of the 43 recognized species of Fraxinus L.(Oleaceae)
were estimated on the basis of 106 nuclear ribosomal ITS sequences. ITS trees resulting …

The fossil Osmundales (Royal Ferns)—a phylogenetic network analysis, revised taxonomy, and evolutionary classification of anatomically preserved trunks and …

B Bomfleur, GW Grimm, S McLoughlin - PeerJ, 2017 - peerj.com
Abstract The Osmundales (Royal Fern order) originated in the late Paleozoic and is the most
ancient surviving lineage of leptosporangiate ferns. In contrast to its low diversity today (less …

Personal perspectives on plant ribosomal RNA genes research: from precursor-rRNA to molecular evolution

V Hemleben, D Grierson, N Borisjuk… - Frontiers in Plant …, 2021 - frontiersin.org
The history of rDNA research started almost 90 years ago when the geneticist, Barbara
McClintock observed that in interphase nuclei of maize the nucleolus was formed in …

Molecular evidence for an Asian origin and a unique westward migration of species in the genus Castanea via Europe to North America

P Lang, F Dane, TL Kubisiak, H Huang - Molecular Phylogenetics and …, 2007 - Elsevier
The genus Castanea (Fagaceae) is widely distributed in the deciduous forests of the
Northern Hemisphere. The striking similarity between the floras of eastern Asia and those of …

5S‐IGS rDNA in wind‐pollinated trees (Fagus L.) encapsulates 55 million years of reticulate evolution and hybrid origins of modern species

S Cardoni, R Piredda, T Denk, GW Grimm… - The Plant …, 2022 - Wiley Online Library
Standard models of plant speciation assume strictly dichotomous genealogies in which a
species, the ancestor, is replaced by two offspring species. The reality in wind‐pollinated …

Reliability and resolution of the coexistence approach—a revalidation using modern-day data

GW Grimm, T Denk - Review of Palaeobotany and Palynology, 2012 - Elsevier
The coexistence approach (CA) is widely used to reconstruct palaeoclimates for the
Cenozoic. Most published CA analyses relied on climate data for nearest living relatives …

The biogeographic history of beech trees

T Denk, GW Grimm - Review of Palaeobotany and Palynology, 2009 - Elsevier
Biogeographic histories cannot solely rely on cladistic reconstructions. First, a cladogram
may be an insufficient representation of evolution, in particular at low taxonomic levels (here …

Species relationships and divergence times in beeches: new insights from the inclusion of 53 young and old fossils in a birth–death clock model

SS Renner, GW Grimm, P Kapli… - … Transactions of the …, 2016 - royalsocietypublishing.org
The fossilized birth–death (FBD) model can make use of information contained in multiple
fossils representing the same clade, and we here apply this model to infer divergence times …

ITS Evolution in Platanus (Platanaceae): Homoeologues, Pseudogenes and Ancient Hybridization

GW Grimm, T Denk - Annals of Botany, 2008 - academic.oup.com
Abstract Background and Aims Platanaceae is an old family of angiosperms extending back
to the Early Cretaceous but consisting of a single extant genus, Platanus. Species of …

[PDF][PDF] Cretaceous and Paleogene Fagaceae from North America and Greenland: evidence for a Late Cretaceous split between Fagus and the remaining Fagaceae

F Grímsson, GW Grimm, R Zetter… - Acta Palaeobotanica, 2016 - fridgeirgrimsson.com
Modern lineages of the beech family, Fagaceae, one of the most important north-temperate
families of woody flowering plants, have been traced back to the early Eocene. In contrast …