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Incorporating the speciation process into species delimitation. [PDF]

open access: yesPLoS Computational Biology, 2021
The "multispecies" coalescent (MSC) model that underlies many genomic species-delimitation approaches is problematic because it does not distinguish between genetic structure associated with species versus that of populations within species. Consequently,
Jeet Sukumaran   +2 more
doaj   +8 more sources

Piikun: an information theoretic toolkit for analysis and visualization of species delimitation metric space [PDF]

open access: yesBMC Bioinformatics
Background Existing software for comparison of species delimitation models do not provide a (true) metric or distance functions between species delimitation models, nor a way to compare these models in terms of relative clustering differences along a ...
Jeet Sukumaran, Marina Meila
doaj   +2 more sources

Species delimitation of Apharyngostrigea Ciurea, 1927 (Digenea: Diplostomoidea) based on morphology and molecular data from the Neotropical region of Mexico [PDF]

open access: yesParasitology
The genus Apharyngostrigea comprises a group of diplostomoidean digeneans that parasitize birds of the family Ardeidae (herons), with approximately 20 species described worldwide.
Alejandra López-Jiménez   +2 more
doaj   +2 more sources

Genomic DNA barcodes provide novel insights into species delimitation in the complex Camellia sect. Thea (Theaceae) [PDF]

open access: yesBMC Plant Biology
Background Species delimitation within Camellia sect. Thea is taxonomically challenging due to its complex evolutionary history. This study aims to utilize nuclear and chloroplast data as genomic DNA barcodes to delimit species within this economically ...
Zongfang Shen   +9 more
doaj   +2 more sources

Species Delimitation Methods Facilitate the Identification of Cryptic Species Within the Broadly Distributed Species in Homoeocerus (Tliponius) (Insecta: Hemiptera: Coreidae) [PDF]

open access: yesInsects
Widespread species may exhibit considerable genetic variation among populations due to their extensive distribution ranges, and may even give rise to new species in remote areas.
Jingyu Liang   +8 more
doaj   +2 more sources

To be or not to be… Integrative taxonomy and species delimitation in the daddy long-legs spiders of the genus Physocyclus (Araneae, Pholcidae) using DNA barcoding and morphology [PDF]

open access: yesZooKeys, 2022
Integrative taxonomy is crucial for discovery, recognition, and species delimitation, especially in underestimated species complex or cryptic species, by incorporating different sources of evidence to construct rigorous species hypotheses.
Samuel Nolasco   +1 more
doaj   +3 more sources

Species boundaries in the messy middle—A genome‐scale validation of species delimitation in a recently diverged lineage of coastal fog desert lichen fungi

open access: yesEcology and Evolution, 2021
Species delimitation among closely related species is challenging because traditional phenotype‐based approaches, for example, using morphology, ecological, or chemical characteristics, may not coincide with natural groupings.
Jesse Jorna   +13 more
doaj   +1 more source

Cryptic Species Diversity and Phylogenetic Relationship in the Rust Genus Chrysomyxa from China

open access: yesJournal of Fungi, 2022
Chrysomyxa rusts are fungal pathogens widely distributed in the Northern hemisphere, causing spruce needle and cone rust diseases, and they are responsible for significant economic losses in China.
Rui Wang   +2 more
doaj   +1 more source

The hyperdominant tropical tree Eschweilera coriacea (Lecythidaceae) shows higher genetic heterogeneity than sympatric Eschweilera species in French Guiana [PDF]

open access: yesPlant Ecology and Evolution, 2020
Background and aims – The evolutionary history of Amazonia’s hyperabundant tropical tree species, also known as “hyperdominant” species, remains poorly investigated. We assessed whether the hyperdominant Eschweilera coriacea (DC.) S.A.Mori (Lecythidaceae)
Myriam Heuertz   +12 more
doaj   +3 more sources

Excluding spatial sampling bias does not eliminate oversplitting in DNA‐based species delimitation analyses

open access: yesEcology and Evolution, 2021
DNA barcoding and DNA‐based species delimitation are major tools in DNA taxonomy. Sampling has been a central debate in this context, because the geographical composition of samples affects the accuracy and performance of DNA barcoding.
Daniel Lukic   +4 more
doaj   +1 more source

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