OOIR: Observatory of International Research

Papers

(The median citation count of Plant Systematics and Evolution is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Phylogenetic relationships and divergence time of Hydrangea sect. Macrophyllae (Hydrangeaceae) revealed by genome-wide SNPs	36
Establishment of polyploidy in natural populations of Mimulus guttatus	12
Autumn Leucojum autumnale and spring L. trichophyllum: the same flower type for different seasons with a different pollination scenario	11
Genetics and evolutionary insights from Solanaceae genome sequences	10
Chromosome number change, polyploidy, and genetic composition in Micranthes nelsoniana (Saxifragaceae) in the Kamchatka Peninsula	10
Pollen morphology of heterostylous species in Piriqueta (Passifloraceae s.l.)	9
Leaf wax composition and distribution of Tillandsia landbeckii reflects moisture gradient across the hyperarid Atacama Desert	8
Comparative cross-species analysis of Glycine BBX gene family reveals lineage-specific evolution and expansion	8
Vegetative organs morphological plasticity of Ludwigia grandiflora in flooded and flood-free habitats	8
Diversity of RNA editing in chloroplast transcripts across three main plant clades	7
Biosystematic studies on the genus Polygonatum (Asparagaceae) VII. Plastome phylogeny and karyotype evolution	7
Dwarfism of Ficus microcarpa in the Ryukyu islands, Okinawa, Japan	7
Stamen and pollen development in Menispermaceae with contrasting androecium structure	7
Morphometric characterization of three sympatric species of Tillandsia (Bromeliaceae) occurring in rocky outcrops in Southern Brazil	7
Four new records of Riccia (Ricciaceae) and their ecological preferences in South Sinai, Egypt	7
A pentaploid endosperm and a Penaea-type embryo sac are likely synapomorphies of Azorella (Apiaceae, Azorelloideae)	7
Genetic structure and demographic history of Allium mongolicum based on SSR markers	6
Out of the mud: two new species of Hippeastrum (Amaryllidaceae) from the Doce and Jequitinhonha River basins, Brazil	6
Genome size variation and whole-genome duplications in the monocot order Poales	6
Ability of rbcL and matK DNA barcodes to discriminate between montane forest orchids	6
Plant phylogeography of the Balkan Peninsula: spatiotemporal patterns and processes	6
Genome size of grass Festuca mountain species from the southwestern European Pyrenees: variation, evolution, and new assessments	6
High-quality reference plastomes in Tillandsia species living at the dry limits	6
Neither Seseli nor Eriocycla: a new Iranian relict genus Shomalia (Apiaceae), related to Azilia	5
Genetic diversity of wild Musa acuminata in Sumatra	5

A new species of Lobothallia (Megasporaceae, Pertusariales, Ascomycota) from Pakistan	5
Three new species of the genus Candolleomyces (Psathyrellaceae) from Pakistan	5
Improving the study of plant evolution with multi-matrix mixture models	5
Introducing two new members of the genus Candolleomyces (Agaricales, Psathyrellaceae) from Punjab, Pakistan	5
Species delimitation and molecular diagnosis of Cyrtomium yamomotoi (Dryopteridaceae)	5
Molecular and morphological data reveal a new species of Sclerorhachis (Compositae, Anthemideae) and the reassessment of another species of the genus	4
Ecological and evolutionary aspects of seed coat and seedling development in Juncus tenuis (Juncaceae, Poales)	4
Cytogeography of Gagea bohemica (Liliaceae) outside the Mediterranean: two ploidy levels, spatial differentiation of cytotypes, and occurrence of mixed-ploidy populations	4
Chromosome numbers in Bolboschoenus (Cyperaceae) correspond to main morphotypes at a worldwide scale	4
Molecular phylogenetics provides support for the current circumscription of Rodriguezia (Oncidiinae-Orchidaceae) and for a new infrageneric classification of the genus	4
Chloroplast phylogenies of Australasian Gleichenia ferns (Gleicheniaceae) reveal incongruence with current taxonomy, and frequent long-distance dispersal	4
Living at its dry limits: Tillandsiales in the Atacama Desert	4
Molecular and morphological support for transferring the tropical African species of Gnidia to Lasiosiphon (Thymelaeaceae: Thymelaeoideae) and a worldwide synopsis of the species	4
Cryptic intraspecific diversity of a polyploid complex of Abildgaardia ovata (Cyperaceae)	4
Phylogeography of Semenovia malcolmii, an endemic species on the Qinghai-Tibet Plateau	4
Chemosystematics micromolecular evolutionary trends relevant to the Urticaceae family	4
Contributions to the flora of Kazakhstan, genera Arthrophytum and Haloxylon	4
The genetic structure of Hancornia speciosa (Apocynaceae) reveals two botanical varieties	4
ChroMorocco: the first georeferenced chromosome-number database for the Flora of Morocco, with initial coverage of the Asteraceae family	3
Genetic variation within the arctic-alpine Calamagrostis stricta (Poaceae) species complex in Europe	3
Reductional dysploidy and genome size diversity in Pooideae, the largest subfamily of grasses (Poaceae)	3
Morphological complexity disguises a natural hybrid of Euphorbia from the sandstone hills of Belagavi, India	3
Phylogenetic inferences using nuclear ribosomal ITS and chloroplast sequences provide insights into the biogeographic origins, diversification timescales and trait evolution of Rubus in the Japanese A	3
Morpho-anatomical novelties of a dwarf Syagrus (Arecaceae) of canga: implications for ecology, conservation, and taxonomy	3
Updates on Geastrum sect. Exareolata, with a description of a striking new species from the Neotropics	3
Does long-term harvesting impact genetic diversity and population genetic structure? A study of Indian gooseberry (Phyllanthus emblica) in the Central Western Ghats region in India	3
Revisiting the bicontinental allopolyploid origin of Australasian Lepidium species with amplicon sequencing of 15 nuclear genes	3
Phylogenetics of Brazilian phyllocladiferous Phyllanthus (Phyllanthaceae): a new section exclusive from the Atlantic Rain Forest, with morphological and molecular support	3
Exocarp structure in the genus Atraphaxis (Polygonaceae, Polygoneae)	3
A new species of Clavascidium (Verrucariales, Lichenized Ascomycota) from Pakistan and Spain, with remarks on the photosymbiont	3
Phenotypic integration of pollination traits in a distylous species with high intra-individual floral variation	3
Comparative chloroplast genome analysis of Coccinia species: Insights into delimitation, phylogeny, and divergence time estimation	3
Chlorangium ahmadii sp. nov. and Circinaria darelensis sp. nov. two new species of lichenized Ascomycetes from Pakistan	3
How many sources of evidence are needed to delimit a taxon? Disentangling the identity of two Coccoloba species (Polygonaceae)	3
Splitting Butia archeri (Arecaceae) of Brazilian central highlands: new taxonomical and conservation insights for Butia	3
Palynotaxonomy of species of Turnera (Turneraceae) occurring in Brazil	3
Correction: Genome size variation in Deschampsia cespitosa sensu lato (Poaceae) in Eurasia	3
Re-establishment of the overlooked species Microtoena griffithii (Lamiaceae) based on morphological and molecular data	3
Breeding systems of four plant communities in the Venezuelan central plains	2
‘New’ species are not always new: a case study of Ephedra sumlingensis and E. khurikensis (Ephedraceae)	2
What explains the variation in length of stamens and styles in a pollen flower? a study exemplified by Macairea radula (Melastomataceae)	2
Two closely related species of the Arisaema ovale group (Araceae) selectively attract male fungus gnats of different Anatella species (Diptera: Mycetophilidae)	2
Floral anatomy points to autogamy as a possible evolutionary path in Elatinaceae (Malpighiales)	2
Understanding conservation priorities for Dactylorhiza hatagirea (D.Don) Soo from the Northwestern Himalayas through analysis of morphometrics and population genetics	2
Perennial inflorescences: extreme flowering phase prolongation within an architectural module	2
A novel saxicolous species of Circinaria (Megasporaceae, Ascomycota) from Pakistan	2
Reproductive biology of Malpighiaceae: How much do we know?	2
Cytogenetic comparison of Cuscuta psorothamnensis and C. veatchii (Convolvulaceae), two species originated from recurrent hybridization between the same diploid parents	2
Morphoanatomy and phylogenetics reveals a distinct species of Oxalis sect. Polymorphae (Oxalidaceae) from the Brazilian Atlantic forest	2
Genome-wide analysis confirms the independent origin of the Japanese and Korean Adonis amurensis (Ranunculaceae)	2

Specialized sunbird pollination in Colquhounia elegans (Lamiaceae): limited hovering and distinctive nectar properties	2
DNA barcode assessment of Xanthium section Xanthium cockle burrs in Australia	2
A total evidence phylogeny sheds light on a new Vriesea (Tillandsioideae, Bromeliaceae) species from the Brazilian Atlantic Forest	2
Hybrid origin and hybrid status of the endangered Ilex sanqingshanensis revealed by molecular and morphological evidence	2
Elmerina and Protomerulius: novelties from Brazil based in morphological and molecular analyses	2
Taxonomy and phylogeny reveal two novel species of genus Lepiota (Agaricaceae, Agaricales) from Punjab, Pakistan	2
Taxonomy, systematics and conservation of the highly threatened and endemic Mexican genus Tridimeris (Annonaceae)	2
Phylogenomics and classification of Cactaceae based on hundreds of nuclear genes	2
Comparative pollination ecology, fruit and seed set in Corunastylis species (Orchidaceae)	2
Flower symmetry in Saxifraga revisited	2
Comparative and phylogenomic plastome analysis of the Physalideae tribe (Solanaceae)	2
Molecular phylogenetic and morphological analyses support recognition of a new species of Vincetoxicum (Apocynaceae, Asclepiadoideae) from eastern Thailand	2
Genetic structure of interspecific hybridization between the long corolla tube species, Isodon longitubus, and its short corolla tube congener, I. inflexus	2