OOIR: Observatory of International Research

Papers

(The median citation count of Plant Systematics and Evolution is 1. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Genetics and evolutionary insights from Solanaceae genome sequences	44
Phylogenetic relationships and divergence time of Hydrangea sect. Macrophyllae (Hydrangeaceae) revealed by genome-wide SNPs	14
Phylogenetic relationships and molecular identification of Hydrocotyle species in North America (Araliaceae)	13
Autumn Leucojum autumnale and spring L. trichophyllum: the same flower type for different seasons with a different pollination scenario	12
Chromosome number change, polyploidy, and genetic composition in Micranthes nelsoniana (Saxifragaceae) in the Kamchatka Peninsula	11
Establishment of polyploidy in natural populations of Mimulus guttatus	10
Vegetative organs morphological plasticity of Ludwigia grandiflora in flooded and flood-free habitats	9
Igniting Oxalis (Oxalidaceae) diversity in Espírito Santo, Brazil: a new endemic species of Oxalis subg. Thamnoxys from the Atlantic Forest hotspot	9
Comparative cross-species analysis of Glycine BBX gene family reveals lineage-specific evolution and expansion	9
Conservation implications from a population genetic analysis of the endangered semi-natural grassland plant, Aster maackii	9
Pollen morphology of heterostylous species in Piriqueta (Passifloraceae s.l.)	9
Four new records of Riccia (Ricciaceae) and their ecological preferences in South Sinai, Egypt	8
Diversity of RNA editing in chloroplast transcripts across three main plant clades	8
Morphometric characterization of three sympatric species of Tillandsia (Bromeliaceae) occurring in rocky outcrops in Southern Brazil	8
Genetic diversity and demographic patterns of a key South American species: Implications for dryland conservation	7
Biosystematic studies on the genus Polygonatum (Asparagaceae) VII. Plastome phylogeny and karyotype evolution	7
A pentaploid endosperm and a Penaea-type embryo sac are likely synapomorphies of Azorella (Apiaceae, Azorelloideae)	7
Dwarfism of Ficus microcarpa in the Ryukyu islands, Okinawa, Japan	7
Stamen and pollen development in Menispermaceae with contrasting androecium structure	7
Plant phylogeography of the Balkan Peninsula: spatiotemporal patterns and processes	6
Polyembryony and apomixis in Cerrado Brazilian savannas: type, phylogenetic constraints, and ecological implications	6
Genetic diversity of wild Musa acuminata in Sumatra	6
A phylogenetic study of the genus Silene in North Africa	6
Genome size of grass Festuca mountain species from the southwestern European Pyrenees: variation, evolution, and new assessments	6
Molecular phylogenetics provides support for the current circumscription of Rodriguezia (Oncidiinae-Orchidaceae) and for a new infrageneric classification of the genus	6

Genome size variation and whole-genome duplications in the monocot order Poales	6
Phylogeography of Semenovia malcolmii, an endemic species on the Qinghai-Tibet Plateau	5
Genome sizes and chromosomal repatterning in the evolution of Saxifraga and other Saxifragaceae	5
Three new species of the genus Candolleomyces (Psathyrellaceae) from Pakistan	5
Molecular and morphological data reveal a new species of Sclerorhachis (Compositae, Anthemideae) and the reassessment of another species of the genus	5
Improving the study of plant evolution with multi-matrix mixture models	5
A new species of Lobothallia (Megasporaceae, Pertusariales, Ascomycota) from Pakistan	5
Chemosystematics micromolecular evolutionary trends relevant to the Urticaceae family	5
Investigating habitat shift in Symphyotrichum subg. Virgulus: A three-way integration of morphology, ecological niche, and phylogenomics	5
Introducing two new members of the genus Candolleomyces (Agaricales, Psathyrellaceae) from Punjab, Pakistan	5
High-quality reference plastomes in Tillandsia species living at the dry limits	5
Contributions to the flora of Kazakhstan, genera Arthrophytum and Haloxylon	5
Discovery and delimitation of Manihot capsularis sp. nov. using integrative morphological and molecular data	4
The genetic structure of Hancornia speciosa (Apocynaceae) reveals two botanical varieties	4
Cryptic intraspecific diversity of a polyploid complex of Abildgaardia ovata (Cyperaceae)	4
Chromosome numbers in Bolboschoenus (Cyperaceae) correspond to main morphotypes at a worldwide scale	4
Re-establishment of the overlooked species Microtoena griffithii (Lamiaceae) based on morphological and molecular data	4
Phenotypic integration of pollination traits in a distylous species with high intra-individual floral variation	4
Molecular phylogeny reveals new morphological and ecological insights into the Cyperus margaritaceus–niveus complex	4
Hidden in plain sight: Distinguishing a narrow endemic Clarkia from an allopolyploid derivative despite morphological and ecological overlap	4
Diversity and taxonomic revision of Hoya (Apocynaceae, Asclepiadoideae) in China based on morphological and molecular evidence	4
Exocarp structure in the genus Atraphaxis (Polygonaceae, Polygoneae)	4
Correction: Genome size variation in Deschampsia cespitosa sensu lato (Poaceae) in Eurasia	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
Molecular and morphological support for transferring the tropical African species of Gnidia to Lasiosiphon (Thymelaeaceae: Thymelaeoideae) and a worldwide synopsis of the species	4
A new species of Clavascidium (Verrucariales, Lichenized Ascomycota) from Pakistan and Spain, with remarks on the photosymbiont	4
A new Chlorella-like microalgae Hoshinaea borealis gen. et sp. nov. (Trebouxiophyceae, Chlorophyta) from Arctic ecosystems	4
Chloroplast genomes and phylogenetic position of a Ginkgo biloba population from Guniujiang, a newly documented distribution site in Anhui, China	3
How many sources of evidence are needed to delimit a taxon? Disentangling the identity of two Coccoloba species (Polygonaceae)	3
Palynotaxonomy of species of Turnera (Turneraceae) occurring in Brazil	3
Morpho-anatomical novelties of a dwarf Syagrus (Arecaceae) of canga: implications for ecology, conservation, and taxonomy	3
Chlorangium ahmadii sp. nov. and Circinaria darelensis sp. nov. two new species of lichenized Ascomycetes from Pakistan	3
Morphological complexity disguises a natural hybrid of Euphorbia from the sandstone hills of Belagavi, India	3
Comparative chloroplast genome analysis of Coccinia species: Insights into delimitation, phylogeny, and divergence time estimation	3
ChroMorocco: the first georeferenced chromosome-number database for the Flora of Morocco, with initial coverage of the Asteraceae family	3
The illusion of sameness: uncovering Allium nebulosum, a new species of Allium sect. Codonoprasum from the Northern and Eastern Balkans through an integrated taxonomic approach	3
Contributions to taxonomy of subtribe Lactucinae (Cichorieae, Cichorioideae, Asteraceae) in Iran	3
Schizolepidopsis gerrienneii sp. nov.: an early jurassic ovulate cone from Belgium	2
Phylogenetics of Brazilian phyllocladiferous Phyllanthus (Phyllanthaceae): a new section exclusive from the Atlantic Rain Forest, with morphological and molecular support	2
Two new species of Impatiens subg. Clavicarpa from southern China	2
Genetic and morphometric insights into the Sardinian deciduous oaks (subgen. Quercus, sect. Quercus): taxonomy and conservation	2
Reductional dysploidy and genome size diversity in Pooideae, the largest subfamily of grasses (Poaceae)	2
Beautiful flowers but with no seeds: the sexual dysfunction of Tradescantia fluminensis	2
Hybrid origin and hybrid status of the endangered Ilex sanqingshanensis revealed by molecular and morphological evidence	2
Comparative pollination ecology, fruit and seed set in Corunastylis species (Orchidaceae)	2
Under the invisibility cape: the secret world of Aneura pinguis in Europe and Greenland	2
Floral anatomy points to autogamy as a possible evolutionary path in Elatinaceae (Malpighiales)	2
A comprehensive review of cytogenetic data of Epidendroideae (Orchidaceae): the OrchidCounts, a new database as a tool for evolution studies	2
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	2

Revisiting the bicontinental allopolyploid origin of Australasian Lepidium species with amplicon sequencing of 15 nuclear genes	2
Taxonomy, systematics and conservation of the highly threatened and endemic Mexican genus Tridimeris (Annonaceae)	2
Taxonomy and phylogeny reveal two novel species of genus Lepiota (Agaricaceae, Agaricales) from Punjab, Pakistan	2
A total evidence phylogeny sheds light on a new Vriesea (Tillandsioideae, Bromeliaceae) species from the Brazilian Atlantic Forest	2
Perennial inflorescences: extreme flowering phase prolongation within an architectural module	2
Boechera sierraensis: a newly discovered apomictic species from the Sierra Nevada with exceptional stress tolerance	2
Two closely related species of the Arisaema ovale group (Araceae) selectively attract male fungus gnats of different Anatella species (Diptera: Mycetophilidae)	2
Genome-wide analysis confirms the independent origin of the Japanese and Korean Adonis amurensis (Ranunculaceae)	2
Genetic variation within the arctic-alpine Calamagrostis stricta (Poaceae) species complex in Europe	2
Genetic structure of interspecific hybridization between the long corolla tube species, Isodon longitubus, and its short corolla tube congener, I. inflexus	2
Phylogenomics and classification of Cactaceae based on hundreds of nuclear genes	2
Splitting Butia archeri (Arecaceae) of Brazilian central highlands: new taxonomical and conservation insights for Butia	2
New circumscription of series Corymbosi (Senecio, Asteraceae) from southern South America using morphometric analysis	2
Molecular phylogenetic and morphological analyses support recognition of a new species of Vincetoxicum (Apocynaceae, Asclepiadoideae) from eastern Thailand	2
Cytogenetic comparison of Cuscuta psorothamnensis and C. veatchii (Convolvulaceae), two species originated from recurrent hybridization between the same diploid parents	2
Reproductive biology of Malpighiaceae: How much do we know?	2
Elmerina and Protomerulius: novelties from Brazil based in morphological and molecular analyses	2
Genome size variation in the Poaceae supertribe Poodae, the major grass lineage of temperate climates (tribes Aveneae, Festuceae and Poeae)	1
Chloroplast phylogeography of taramea, speargrasses, Aciphylla (Aciphylleae, Apiaceae) in the South Island of Aotearoa New Zealand indicates widespread glacial survival and introgression	1
The terpene synthase genes of Melaleuca alternifolia (tea tree) and comparative gene family analysis among Myrtaceae essential oil crops	1
Spatial genetic structure in the Madeiran endemic Dactylorhiza foliosa (Orchidaceae)	1
Capacity building in crucifer research—from BrassiBase to a taxonomic expert network (BrassiTEN)	1
Origin of populations of Portulaca oleracea on Nishinoshima, an active volcanic oceanic island	1
Gymnopilus rubellus sp. nov. from the coniferous forests of Azad Jammu and Kashmir, Pakistan	1
Comparative analysis of the complete chloroplast genomes of critically endangered legumes (Dalbergia, Papilionoideae): insights into genome structure, phylogeny, and conservation implications	1
Understanding conservation priorities for Dactylorhiza hatagirea (D.Don) Soo from the Northwestern Himalayas through analysis of morphometrics and population genetics	1
Molecular phylogenetics suggest Osmiopsis (Asteraceae) could be a rare inter-subtribal hybrid genus on Hispaniola	1
Diversification of the European species of bladdernuts (Staphylea, Staphyleaceae) in the context of the whole genus and the rich fossil record	1
Phylogeny, biogeography, and character evolution in the genus Scilla s.l. and its close relatives Chionodoxa, Gemicia, Puschkinia, and Prospero (Asparagaceae)	1
Australian Senecio macrocarpus and S. squarrosus were suggested as apomictic but are fully sexual: evidence from flow cytometric seed screening analyses	1
Cytological and pollen fertility analysis of diploids and triploids in Korean Disporum species	1
Genome sizes of grasses (Poaceae), chromosomal evolution, paleogenomics and the ancestral grass karyotype (AGK)	1
Two new species of the genus Oxneriaria (lichenized Ascomycota: Megasporaceae) from Pakistan	1
Flower morphology and phylogenetic analysis of some Dioscorea species of the section Stenophora (Dioscoreaceae)	1
Exploring the phylogenomics of Dipcadi (Asparagaceae, Scilloideae) and assessing the utility of ITS as a DNA barcode	1
A novel saxicolous species of Circinaria (Megasporaceae, Ascomycota) from Pakistan	1
Specialized sunbird pollination in Colquhounia elegans (Lamiaceae): limited hovering and distinctive nectar properties	1
Intraindividual flower variation in distylous plants	1
Comparative and phylogenomic plastome analysis of the Physalideae tribe (Solanaceae)	1
Organization of morphological and genetic diversity in Passiflora series Laurifoliae (Passifloraceae)	1
Phylogenomics of the pantropical Connaraceae: revised infrafamilial classification and the evolution of heterostyly	1
Diversity of Crocus gargaricus s.l.: resolving longstanding debates and discovering a new species	1
A new species of Croton section Cleodora (Euphorbiaceae s.s.) from Parque Estadual do Cantão, Tocantins, Brazil	1
A plastid liverwort phylogeny sheds light on family-level relationships	1
Phylogenetic, cytogenetic and morphological evidences are critical for recognizing a new genus: Valdesiana, an Iberian intergeneric allopolyploid between Schenkia and Exaculum	1
Genetic diversity of Lilium candidum natural populations in Türkiye evaluated with ISSR and M13-tailed SSR markers	1
A new species of Memnoniella (Hypocreales, Stachybotryaceae), Memnoniella pseudodichroa, from the ancient subtropical giant fern Angiopteris lygodiifolia (Marattiaceae) in Taiwan	1
Flower symmetry in Saxifraga revisited	1
DNA barcode assessment of Xanthium section Xanthium cockle burrs in Australia	1
Assembly and structural validation of the mitochondrial genome of Abies sachalinensis reveals a branched genomic architecture in Pinaceae	1
Phylogenomic insights into species boundaries and relationships in Malagasy Bulbostylis (Abildgaardieae, Cyperaceae) using Angiosperms353 target sequencing	1
A study on genus Termitomyces with description of two new species and a new record from Pakistan	1