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Black-fruited hawthorns of western North America — one or more agamic complexes?This paper is one of a selection of papers published in the Special Issue on Systematics Research.This paper is dedicated to the memory of the University of Idaho botanist who got us thinking about the complexities of…
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What this work says
Outgoing claims: the papers this work cites, builds on, or argues with.
inferredcites →https://doi.org/10.1002/j.1537-2197.1924.tb05778.xopenalex-snapshot
CYTOLOGICAL STUDIES IN THE GENUS CRATAEGUS
inferredcites →https://doi.org/10.1002/j.1537-2197.1979.tb06207.xopenalex-snapshot
CYTOLOGICAL PROOF OF APOMIXIS IN CRATAEGUS (ROSACEAE)
inferredcites →https://doi.org/10.1002/j.1537-2197.1986.tb09687.xopenalex-snapshot
STUDIES IN CRATAEGUS (ROSACEAE: MALOIDEAE) XIV. THE BREEDING SYSTEM OF CRATAEGUS CRUS‐GALLI SENSU LATO IN ONTARIO
inferredcites →https://doi.org/10.1007/978-94-011-3418-7_39openalex-snapshot
SYN-TAX IV. Computer Programs for Data Analysis in Ecology and Systematics
inferredcites →https://doi.org/10.1007/bf00220933openalex-snapshot
Molecular phytogeny of conifers using RFLP analysis of PCR-amplified specific chloroplast genes
inferredcites →https://doi.org/10.1007/bf02815379openalex-snapshot
Apomixis, hybridization, and taxonomic complexity in eastern north AmericanAmelanchier (Rosaceae)
inferredcites →https://doi.org/10.1007/bf02815380openalex-snapshot
North American black-fruited hawthorns. I. Variation in floral construction, breeding system correlates, and their possible evolutionary significance inCrataegus sect.Douglasii London
inferredcites →https://doi.org/10.1007/s001220050841openalex-snapshot
Simple sequence repeats for the genetic analysis of apple
inferredcites →https://doi.org/10.1007/s00606-007-0541-2openalex-snapshot
Polyploidy, reproductive biology, and Rosaceae: understanding evolution and making classifications
inferredcites →https://doi.org/10.1007/s00606-007-0545-yopenalex-snapshot
Phylogeny of subtribe Pyrinae (formerly the Maloideae, Rosaceae): Limited resolution of a complex evolutionary history
inferredcites →https://doi.org/10.1016/j.scienta.2009.01.034openalex-snapshot
Seed and endocarp traits as markers of the biodiversity of regional sources of germplasm of tejocote (Crataegus spp.) from Central and Southern Mexico
inferredcites →https://doi.org/10.1023/a:1020525906332openalex-snapshot
Development and characterisation of 140 new microsatellites in apple (Malus x domestica Borkh.)
inferredcites →https://doi.org/10.1080/106351598260914openalex-snapshot
The Relative Success of Some Methods for Measuring and Describing the Shape of Complex Objects
inferredcites →https://doi.org/10.1086/329256openalex-snapshot
The Black-Fruited Crataegus of Western North America
inferredcites →https://doi.org/10.1093/biomet/58.3.453openalex-snapshot
The Biplot Graphic Display of Matrices with Application to Principal Component Analysis
inferredcites →https://doi.org/10.1093/oxfordjournals.jhered.a110717openalex-snapshot
WHAT IS HAPPENING TO THE HAWTHORNS?
inferredcites →https://doi.org/10.1111/j.1095-8312.1970.tb01871.xopenalex-snapshot
Infraspecific categories in flowering plants
inferredcites →https://doi.org/10.1111/j.1095-8339.2007.00607.xopenalex-snapshot
Molecular and morphological characterization of Crataegus L. species (Rosaceae) in southern Syria
inferredcites →https://doi.org/10.1111/j.1365-2745.2004.00857.xopenalex-snapshot
Phenotypic plasticity of vegetative and reproductive traits in monoecious and dioecious populations of Sagittaria latifolia (Alismataceae): a clonal aquatic plant
inferredcites →https://doi.org/10.1111/j.1365-294x.2009.04091.xopenalex-snapshot
Population genetic structure of diploid sexual and polyploid apomictic hawthorns (Crataegus; Rosaceae) in the Pacific Northwest
inferredcites →https://doi.org/10.1111/j.1469-8137.2006.01918.xopenalex-snapshot
Endosperm formation in aposporous Crataegus (Rosaceae, Spiraeoideae, tribe Pyreae): parallels to Ranunculaceae and Poaceae
inferredcites →https://doi.org/10.1139/b05-088openalex-snapshot
Polyploidy in Crataegus and Mespilus (Rosaceae, Maloideae): evolutionary inferences from flow cytometry of nuclear DNA amounts
inferredcites →https://doi.org/10.1139/b05-148openalex-snapshot
Studies inCrataegusseriesCoccineae. I. Delimitation of series
inferredcites →https://doi.org/10.1139/b07-028openalex-snapshot
The potential for ploidy level increases and decreases in Crataegus (Rosaceae, Spiraeoideae, tribe Pyreae)
inferredcites →https://doi.org/10.1139/b80-197openalex-snapshot
A taxonomic revision of Crataegus (Rosaceae) in Ontario
inferredcites →https://doi.org/10.1139/b83-256openalex-snapshot
Quantification of leaf shape with a microcomputer and Fourier transform
inferredcites →https://doi.org/10.1139/b84-241openalex-snapshot
Studies in Crataegus (Rosaceae: Maloideae). IX. Short-shoot leaf heteroblasty in Crataegus crus-galli sensu lato
inferredcites →https://doi.org/10.1139/b84-315openalex-snapshot
Studies in Crataegus. XI. Further cytological evidence for the occurrence of apomixes in North American hawthorns
inferredcites →https://doi.org/10.1139/b85-184openalex-snapshot
Studies in Crataegus. XII. Cytological evidence for sexuality in some diploid and tetraploid species of North American hawthorns
inferredcites →https://doi.org/10.1139/b86-363openalex-snapshot
Topodeme differentiation in Ontario taxa of Crataegus (Rosaceae: Maloideae): leaf morphometric evidence
inferredcites →https://doi.org/10.1139/b88-262openalex-snapshot
Studies in Crataegus (Rosaceae, Maloideae). XIX. Breeding behavior in Ontario Crataegus series Rotundifoliae
inferredcites →https://doi.org/10.1139/b89-316openalex-snapshot
Studies in Crataegus (Rosaceae: Maloideae). XX. Interserial hybridization between Crataegus monogyna (series Oxycanthae) and Crataegus punctata (series Punctatae) in southern Ontario
inferredcites →https://doi.org/10.1139/b90-288openalex-snapshot
A checklist of the subfamily Maloideae (Rosaceae)
inferredcites →https://doi.org/10.1139/b98-148openalex-snapshot
Introduction to the red-fruited hawthorns (Crataegus, Rosaceae) of western North America
inferredcites →https://doi.org/10.1139/cjb-76-11-1863openalex-snapshot
Introduction to the red-fruited hawthorns (Crataegus, Rosaceae) of western North America
inferredcites →https://doi.org/10.1139/g79-027openalex-snapshot
MEIOSIS AND POLYPLOIDY IN ONTARIO SPECIES OFCRATAEGUSIN RELATION TO THEIR SYSTEMATICS
inferredcites →https://doi.org/10.1186/1471-2105-7-439openalex-snapshot
TreeDyn: towards dynamic graphics and annotations for analyses of trees
inferredcites →https://doi.org/10.1600/036364407782250562openalex-snapshot
Molecular Reappraisal of Relationships Between Crataegus and Mespilus (Rosaceae, Pyreae)—Two Genera or One?
inferredcites →https://doi.org/10.2307/1218711openalex-snapshot
THE “IGNORANT MAN” TECHNIQUE OF SAMPLING PLANT POPULATIONS
inferredcites →https://doi.org/10.2307/2256884openalex-snapshot
New Concepts in Flowering-plant Taxonomy.
inferredcites →https://doi.org/10.2307/2413076openalex-snapshot
A Comparison of Fourier Methods for the Description of Wing Shape in Mosquitoes (Diptera: Culicidae)
inferredcites →https://doi.org/10.2307/2419284openalex-snapshot
Reproductive Biology in Subfam. Maloideae (Rosaceae)
inferredcites →https://doi.org/10.2307/2419572openalex-snapshot
Quantitative Morphology of the Amelanchier Agamic Complex (Rosaceae) at a Maine Site
inferredcites →https://doi.org/10.2307/2479407openalex-snapshot
The Genus Crataegus, with Some Theories Concerning the Origin of Its Species
inferredcites →https://doi.org/10.2307/25027810openalex-snapshot
Revision of Crataegus Sect. Crataegus and Nothosect. Crataeguineae (Rosaceae-Maloideae) in the Old World
inferredcites →https://doi.org/10.2307/2807611openalex-snapshot
The Jepson Manual: Higher Plants of California.
inferredcites →https://doi.org/10.2307/2992044openalex-snapshot
Synopsis of Crataegus Series Apiifoliae, Cordatae, Microcarpae, and Brevispinae (Rosaceae Subfam Maloideae)
inferredcites →https://doi.org/10.3133/pp1650abopenalex-snapshot
Atlas of relations between climatic parameters and distributions of important trees and shrubs in North America
inferredcites →https://doi.org/10.5281/zenodo.15954832openalex-snapshot
CYTOLOGICAL, MORPHOLOGICAL, ECOLOGICAL AND PHENOLOGICAL SUPPORT FOR SPECIFIC STATUS OF CRATAEGUS SUKSDORFII (ROSACEAE)
inferredcites →https://doi.org/10.5281/zenodo.16034552openalex-snapshot
INTERSPECIFIC HYBRIDIZATION BETWEEN NATIVE AND NATURALIZED CRATAEGUS (ROSACEAE) IN WESTERN OREGON
inferredcites →https://doi.org/10.5281/zenodo.16390741openalex-snapshot
THE RELATIONSHIPS OF THE AMERICAN BLACK-FRUITED HAWTHORNS CRATAEGUS ERYTHROPODA, C. RIVULARIS, C. SALIGNA AND C. BRACHYACANTHA TO C. SER. DOUGLASIANAE (ROSACEAE)
inferredcites →https://doi.org/10.5281/zenodo.16698772openalex-snapshot
THREE NEW SPECIES OF CRATAEGUS (ROSACEAE) FROM WESTERN NORTH AMERICA: C. OKENNONII, C. OKANAGANENSIS AND C. PHIPPSII
What points at this work
Incoming claims: where this work appears in other papers’ reference lists and arguments.
inferred← citeshttps://doi.org/10.17348/jbrit.v17.i1.1292zenodo-depositor-declared
What is Suksdorf’s hawthorn? Revision of the Western North American 20-stamen black-fruited hawthorns (Crataegus series Douglasianae, Rosaceae subtribe Malinae)
inferred← citeshttps://doi.org/10.1007/s10722-017-0583-4openalex-snapshot
Analysis of the biodiversity of hawthorn (Crataegus spp.) from the morphological, molecular, and ethnobotanical approaches, and implications for genetic resource conservation in scenery of increasing cultivation: the case of Mexico
inferred← citeshttps://doi.org/10.1007/s10722-025-02654-yopenalex-snapshot
Genetic diversity and DNA fingerprinting of Chinese hawthorn (Crataegus L.) resources using simple sequence repeat (SSR) markers
inferred← citeshttps://doi.org/10.1016/j.scienta.2009.01.034openalex-snapshot
Seed and endocarp traits as markers of the biodiversity of regional sources of germplasm of tejocote (Crataegus spp.) from Central and Southern Mexico
inferred← citeshttps://doi.org/10.1016/j.ympev.2009.01.018openalex-snapshot
Evidence for genetic association between East Asian and western North American Crataegus L. (Rosaceae) and rapid divergence of the eastern North American lineages based on multiple DNA sequences
inferred← citeshttps://doi.org/10.1080/14772000.2015.1117027openalex-snapshot
Using multiple sources of characters to delimit species in the genusCrataegus(Rosaceae): the case of theCrataegus roseicomplex
inferred← citeshttps://doi.org/10.1086/721653openalex-snapshot
Western North American Plants Disjunct in the Great Lakes Region: 40 Years after Marquis and Voss
inferred← citeshttps://doi.org/10.1093/aob/mcu116openalex-snapshot
Reticulate evolution in North American black-fruited hawthorns (Crataegus section Douglasia; Rosaceae): evidence from nuclear ITS2 and plastid sequences
inferred← citeshttps://doi.org/10.1093/aobpla/plv045openalex-snapshot
DNA barcodes from four loci provide poor resolution of taxonomic groups in the genus Crataegus
inferred← citeshttps://doi.org/10.1111/j.1365-294x.2009.04091.xopenalex-snapshot
Population genetic structure of diploid sexual and polyploid apomictic hawthorns (Crataegus; Rosaceae) in the Pacific Northwest
inferred← citeshttps://doi.org/10.1111/j.1558-5646.2010.01063.xopenalex-snapshot
RECONSTRUCTING RETICULATION HISTORY IN A PHYLOGENETIC FRAMEWORK AND THE POTENTIAL OF ALLOPATRIC SPECIATION DRIVEN BY POLYPLOIDY IN AN AGAMIC COMPLEX IN CRATAEGUS (ROSACEAE)
inferred← citeshttps://doi.org/10.1111/jbi.12316openalex-snapshot
Relative resource allocation to dispersal and competition demonstrates the putative role of hybridity in geographical parthenogenesis
inferred← citeshttps://doi.org/10.1111/mec.14331openalex-snapshot
Widespread generalist clones are associated with range and niche expansion in allopolyploids of Pacific Northwest Hawthorns (Crataegus L.)
inferred← citeshttps://doi.org/10.1139/cjb-2012-0073openalex-snapshot
Geographical parthenogenesis in Pacific Northwest hawthorns (Crataegus; Rosaceae)
inferred← citeshttps://doi.org/10.12705/676.5openalex-snapshot
The classification of asexual organisms: Old myths, new facts, and a novel pluralistic approach
inferred← citeshttps://doi.org/10.3120/0024-9637-61.2.177openalex-snapshot
Stomata Size in Relation to Ploidy Level in North American Hawthorns (Crataegus, Rosaceae)
inferred← citeshttps://doi.org/10.3389/fpls.2018.01796openalex-snapshot
Apomixis and Hybridization Drives Reticulate Evolution and Phyletic Differentiation in Sorbus L.: Implications for Conservation
inferred← citeshttps://doi.org/10.3390/agronomy11112133openalex-snapshot
Niche Shifts, Hybridization, Polyploidy and Geographic Parthenogenesis in Western North American Hawthorns (Crataegus subg. Sanguineae, Rosaceae)
inferred← citeshttps://doi.org/10.3390/f10020082openalex-snapshot
An RNA Sequencing Transcriptome Analysis and Development of EST-SSR Markers in Chinese Hawthorn through Illumina Sequencing
inferred← citeshttps://doi.org/10.3732/ajb.0900091openalex-snapshot
Fine‐scale comparisons of genetic variability in seed families of asexually and sexually reproducing Crataegus (hawthorn; Rosaceae)
inferred← citeshttps://doi.org/10.3732/ajb.1500330openalex-snapshot
Understanding diploid diversity: A first step in unraveling polyploid, apomictic complexity in Amelanchier
inferred← citeshttps://doi.org/10.3956/2025-102.3.155openalex-snapshot
Comprehensive lists of suitable host plants of apple maggot, Rhagoletis pomonella (Walsh, 1867) (Diptera: Tephritidae), including new host records
inferred← citeshttps://doi.org/10.7287/peerj.12418v0.1/reviews/1openalex-snapshot
Peer Review #1 of "Phylogeny of Crataegus (Rosaceae) based on 257 nuclear loci and chloroplast genomes: evaluating the impact of hybridization (v0.1)"
inferred← citeshttps://doi.org/10.7287/peerj.12418v0.1/reviews/2openalex-snapshot
Peer Review #2 of "Phylogeny of Crataegus (Rosaceae) based on 257 nuclear loci and chloroplast genomes: evaluating the impact of hybridization (v0.1)"
inferred← citeshttps://doi.org/10.7287/peerj.12418v0.2/reviews/1openalex-snapshot
Peer Review #1 of "Phylogeny of Crataegus (Rosaceae) based on 257 nuclear loci and chloroplast genomes: evaluating the impact of hybridization (v0.2)"
inferred← citeshttps://doi.org/10.7717/peerj.12418openalex-snapshot
Phylogeny of Crataegus (Rosaceae) based on 257 nuclear loci and chloroplast genomes: evaluating the impact of hybridization
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