Daniel Spalink
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View article: A Comprehensive Database of Expert‐Curated Occurrences for the Genus <i>Carex</i> L. (Cyperaceae)
A Comprehensive Database of Expert‐Curated Occurrences for the Genus <i>Carex</i> L. (Cyperaceae) Open
Motivation Geographic occurrences are essential for biodiversity studies, but publicly available repositories like GBIF often contain errors and biases, especially for taxonomically complex groups like Carex L. (Cyperaceae). This work prov…
View article: Grass functional traits reflect the long history of fire and grazers in the savannas of Texas
Grass functional traits reflect the long history of fire and grazers in the savannas of Texas Open
Premise Understanding relationships among grass traits, fire, and herbivores may help improve conservation strategies for savannas that are threatened by novel disturbance regimes. Emerging theory, developed in Africa, emphasizes that func…
View article: Turnover importance: Operationalizing beta diversity to quantify the generalism continuum
Turnover importance: Operationalizing beta diversity to quantify the generalism continuum Open
Generalization is difficult to quantify, and many classifications exist. A beta diversity framework can be used to establish a numeric measure of generalist tendencies that jointly describes many important features of species interactions,…
View article: Chromosomal evolution, environmental heterogeneity, and migration drive spatial patterns of species richness in <i>Calochortus</i> (Liliaceae)
Chromosomal evolution, environmental heterogeneity, and migration drive spatial patterns of species richness in <i>Calochortus</i> (Liliaceae) Open
We used nuclear genomic data and statistical models to evaluate the ecological and evolutionary processes shaping spatial variation in species richness in Calochortus (Liliaceae, 74 spp.). Calochortus occupies diverse habitats in the weste…
View article: Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats
Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats Open
Summary Poales are one of the most species‐rich, ecologically and economically important orders of plants and often characterise open habitats, enabled by unique suites of traits. We test six hypotheses regarding the evolution and assembly…
View article: Respirable Metals, Bacteria, and Fungi during a Saharan–Sahelian Dust Event in Houston, Texas
Respirable Metals, Bacteria, and Fungi during a Saharan–Sahelian Dust Event in Houston, Texas Open
Although airborne bacteria and fungi can impact human, animal, plant, and ecosystem health, very few studies have investigated the possible impact of their long-range transport in the context of more commonly measured aerosol species, espe…
View article: Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats
Global analysis of Poales diversification – parallel evolution in space and time into open and closed habitats Open
Summary Poales are one of the most species-rich, ecologically and economically important orders of plants and often characterise open habitats, enabled by unique suites of traits. We test the hypotheses that Poales species are assembled in…
View article: A new classification of Cyperaceae (Poales) supported by phylogenomic data
A new classification of Cyperaceae (Poales) supported by phylogenomic data Open
Cyperaceae (sedges) are the third largest monocot family and are of considerable economic and ecological importance. Sedges represent an ideal model family to study evolutionary biology due to their species richness, global distribution, l…
View article: Geographical vs. ecological diversification in<i>Carex</i>section<i>Phacocystis</i>(Cyperaceae): Patterns hidden behind a twisted taxonomy
Geographical vs. ecological diversification in<i>Carex</i>section<i>Phacocystis</i>(Cyperaceae): Patterns hidden behind a twisted taxonomy Open
Carex section Phacocystis (Cyperaceae) is one of the most diverse and taxonomically complex groups of sedges (between 116 and 147 species), with a worldwide distribution in a wide array of biomes. It has a very complicated taxonomic histor…
View article: Macroevolutionary insights into sedges (<i>Carex</i>: Cyperaceae): The effects of rapid chromosome number evolution on lineage diversification
Macroevolutionary insights into sedges (<i>Carex</i>: Cyperaceae): The effects of rapid chromosome number evolution on lineage diversification Open
Changes in holocentric chromosome number due to fission and fusion have direct and immediate effects on genome structure and recombination rates. These, in turn, may influence ecology and evolutionary trajectories profoundly. Sedges of the…
View article: The evolutionary history of sedges (Cyperaceae) in Madagascar
The evolutionary history of sedges (Cyperaceae) in Madagascar Open
Aim Madagascar is renowned for its unparalleled biodiversity and endemism. With many ecosystems under threat, research is urgently needed on its unique plant diversity. This applies both to Madagascar's forests and treeless vegetation type…
View article: A framework infrageneric classification of<i>Carex</i>(Cyperaceae) and its organizing principles
A framework infrageneric classification of<i>Carex</i>(Cyperaceae) and its organizing principles Open
Phylogenetic studies of Carex L. (Cyperaceae) have consistently demonstrated that most subgenera and sections are para‐ or polyphyletic. Yet, taxonomists continue to use subgenera and sections in Carex classification. Why? The Global Carex…
View article: Editorial: Phylogenomic Approaches to Deal With Particularly Challenging Plant Lineages
Editorial: Phylogenomic Approaches to Deal With Particularly Challenging Plant Lineages Open
EDITORIAL article Front. Plant Sci., 24 November 2020 | https://doi.org/10.3389/fpls.2020.591762
View article: Resolving generic limits in Cyperaceae tribe Abildgaardieae using targeted sequencing
Resolving generic limits in Cyperaceae tribe Abildgaardieae using targeted sequencing Open
Morphological characterizations of genera in Cyperaceae tribe Abildgaardieae have been highly problematic and the subject of much debate. Earlier molecular phylogenetic studies based on Sanger sequencing and a limited sampling have indicat…
View article: Publisher Correction: Genomic analysis of the emergence of drug-resistant strains of Mycobacterium tuberculosis in the Middle East
Publisher Correction: Genomic analysis of the emergence of drug-resistant strains of Mycobacterium tuberculosis in the Middle East Open
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
View article: A tale of worldwide success: Behind the scenes of <i>Carex</i> (Cyperaceae) biogeography and diversification
A tale of worldwide success: Behind the scenes of <i>Carex</i> (Cyperaceae) biogeography and diversification Open
The megadiverse genus Carex (c. 2000 species, Cyperaceae) has a nearly cosmopolitan distribution, displaying an inverted latitudinal richness gradient with higher species diversity in cold‐temperate areas of the Northern Hemisphere. Despit…
View article: Spatial phylogenetics reveals evolutionary constraints on the assembly of a large regional flora
Spatial phylogenetics reveals evolutionary constraints on the assembly of a large regional flora Open
Premise of the Study We used spatial phylogenetics to analyze the assembly of the Wisconsin flora, linking processes of dispersal and niche evolution to spatial patterns of floristic and phylogenetic diversity and testing whether phylogene…
View article: Monocot plastid phylogenomics, timeline, net rates of species diversification, the power of multi‐gene analyses, and a functional model for the origin of monocots
Monocot plastid phylogenomics, timeline, net rates of species diversification, the power of multi‐gene analyses, and a functional model for the origin of monocots Open
Premise of the Study We present the first plastome phylogeny encompassing all 77 monocot families, estimate branch support, and infer monocot‐wide divergence times and rates of species diversification. Methods We conducted maximum likeliho…
View article: The spatial structure of phylogenetic and functional diversity in the United States and Canada: An example using the sedge family (Cyperaceae)
The spatial structure of phylogenetic and functional diversity in the United States and Canada: An example using the sedge family (Cyperaceae) Open
Systematically quantifying diversity across landscapes is necessary to understand how clade history and ecological heterogeneity contribute to the origin, distribution, and maintenance of biodiversity. Here, we chart the spatial structure …
View article: Orchid historical biogeography, diversification, Antarctica and the paradox of orchid dispersal
Orchid historical biogeography, diversification, Antarctica and the paradox of orchid dispersal Open
Aim Orchidaceae is the most species‐rich angiosperm family and has one of the broadest distributions. Until now, the lack of a well‐resolved phylogeny has prevented analyses of orchid historical biogeography. In this study, we use such a p…
View article: Phylogenomics and historical biogeography of the monocot order Liliales: out of Australia and through Antarctica
Phylogenomics and historical biogeography of the monocot order Liliales: out of Australia and through Antarctica Open
We present the first phylogenomic analysis of relationships among all ten families of Liliales, based on 75 plastid genes from 35 species in 29 genera, and 97 additional plastomes stratified across angiosperm lineages. We used a supermatri…
View article: Divergence and isolation of cryptic sympatric taxa within the annual legume <i>Amphicarpaea bracteata</i>
Divergence and isolation of cryptic sympatric taxa within the annual legume <i>Amphicarpaea bracteata</i> Open
The amphicarpic annual legume Amphicarpaea bracteata is unusual in producing aerial and subterranean cleistogamous flowers that always self‐fertilize and, less commonly, aerial chasmogamous flowers that outcross. Although both morphologic …