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 2020-11-01 to 2024-11-01.)

Article	Citations
A new endemic and critically endangered species of Butia (Arecaceae) with comments on morpho-anatomical novelties in the genus	16
Spatial distribution and interannual variability of coastal fog and low clouds cover in the hyperarid Atacama Desert and implications for past and present Tillandsia landbeckii ecosystems	15
Plant phylogeography of the Balkan Peninsula: spatiotemporal patterns and processes	15
Dipterocarpus (Dipterocarpaceae) leaves from the K-Pg of India: a Cretaceous Gondwana presence of the Dipterocarpaceae	13
Morphological and genetic variation in natural populations of Quercus vulcanica and Q. frainetto	12
Edaphochloris, gen. nov.: a new genus of soil green algae (Trebouxiophyceae, Chlorophyta) with simple morphology	11
Pollen morphology of Ellisiophyllum and Sibthorpia (Plantaginaceae, tribe Sibthorpieae) and phylogenetics of the tribe	11
A new insight on the evolution of polyploid Aegilops species from the complex Crassa: molecular-cytogenetic analysis	10
Genetic diversity of Horsfieldia tetratepala (Myristicaceae), an endangered Plant Species with Extremely Small Populations to China: implications for its conservation	10
Genome size variation in Deschampsia cespitosa sensu lato (Poaceae) in Eurasia	10
Setting the evolutionary timeline: Tillandsia landbeckii in the Chilean Atacama Desert	9
Climate and coastal low-cloud dynamic in the hyperarid Atacama fog Desert and the geographic distribution of Tillandsia landbeckii (Bromeliaceae) dune ecosystems	9
Phylogeny and systematics of the Lactucinae (Asteraceae) focusing on their SW Asian centre of diversity	8
Molecular phylogeny and character evolution of Flemingia (Leguminosae, Papilionoideae, Phaseoleae, Cajaninae) inferred from three cpDNA and nrITS sequence data	7
Leaf wax composition and distribution of Tillandsia landbeckii reflects moisture gradient across the hyperarid Atacama Desert	7
Disentangling relationships among eastern Mediterranean Cymbalaria including description of a novel species from the southern Peloponnese (Greece)	7
Description of hot spring dwelling Mastigocladus ambikapurensis sp. nov., using a polyphasic approach	7
Morpho-anatomical novelties of a dwarf Syagrus (Arecaceae) of canga: implications for ecology, conservation, and taxonomy	6
Morphometric analysis of the Saccharum complex (Poaceae, Andropogoneae)	6
Pollen morphology of Persicaria section Cephalophilon (Polygonaceae)	6
Intraspecific variation of Vanilla planifolia (Orchidaceae) in the Huasteca region, San Luis Potosí, Mexico: morphometry of floral labellum	6
Soil bacterial community structure of fog‐dependent Tillandsia landbeckii dunes in the Atacama Desert	6
The terpene synthase genes of Melaleuca alternifolia (tea tree) and comparative gene family analysis among Myrtaceae essential oil crops	6
Obtusifoliaceae, a new family of leafy liverworts to accommodate Konstantinovia, newly described from the Hengduan Mts. (South China) and Obtusifolium (Cephaloziineae, Marchantiophyta)	6
Chemical analysis of floral scents in sympatric Ficus species: highlighting different compositions of floral scents in morphologically and phylogenetically close species	6

Phylogeny, biogeography, and character evolution in the genus Scilla s.l. and its close relatives Chionodoxa, Gemicia, Puschkinia, and Prospero (Asparagaceae)	5
Labellum and gynostemium micromorphology in Polystachya (Orchidaceae)	5
Molecular phylogenetic analysis and taxonomic reconsideration of Ceropegia hirsuta (Apocynaceae, Asclepiadoideae) reveal a novelty in Thailand, Ceropegia citrina sp. nov., with notes on its pollinatio	5
Distribution patterns, ecological niche and conservation status of endemic Tillandsia purpurea along the Peruvian coast	5
Cytogenetics of wild species of the Alstroemeriaceae family (Liliales)	5
Taxonomic identity and evolutionary relationships of South African taxa related to the Spergularia media group (Caryophyllaceae)	5
Morphoanatomy and phylogenetics reveals a distinct species of Oxalis sect. Polymorphae (Oxalidaceae) from the Brazilian Atlantic forest	5
The highly conserved rps12 gene in ferns provides strong evidence for decreased substitution rates in the inverted repeat region	4
Complete chloroplast genomes of four Atalantia (Rutaceae) species: insights into comparative analysis, phylogenetic relationships, and divergence time estimation	4
A new species of Croton (Euphorbiaceae) endemic to the Brazilian Pampa and its phylogenetic affinities	4
Sectional polyphyly and morphological homoplasy in Southeast Asian Cyrtandra (Gesneriaceae): consequences for the taxonomy of a mega-diverse genus	4
What explains the variation in length of stamens and styles in a pollen flower? a study exemplified by Macairea radula (Melastomataceae)	4
Genetic structure and demographic history of Allium mongolicum based on SSR markers	4
Identification and function analysis of fasciclin-like arabinogalactan protein family genes in pear (Pyrus bretschneideri)	4
Biogeography of the Carpathians: towards a better understanding of biodiversity patterns	4
Mimosa brevicalyx (Leguminosae-Caesalpinioideae): a new species based on molecular, anatomical, and morphological data	4
Colonization of the Southern Hemisphere by Sagina and Colobanthus (Caryophyllaceae)	4
Taxonomic revision of the acidophilic genus Acidiella (Dothideomycetes, Capnodiales) with a description of new species from Poland	4
Reproductive barriers and genetic differentiation between continental and island populations of Epidendrum fulgens (Orchidaceae)	4
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	4
Artificial crossing and pollen tracking reveal new evidence of hybridization between sympatric Platanthera species	4
‘New’ species are not always new: a case study of Ephedra sumlingensis and E. khurikensis (Ephedraceae)	3
Nectar characteristics of hummingbird-visited ornithophilous and non-ornithophilous flowers from Cerrado, Brazil	3
Molecular analyses of the disjunctly distributed Osmunda regalis and O. japonica (Osmundaceae), with particular reference to introgression and hybridization	3
Neither Seseli nor Eriocycla: a new Iranian relict genus Shomalia (Apiaceae), related to Azilia	3
Ability of rbcL and matK DNA barcodes to discriminate between montane forest orchids	3
Two closely related species of the Arisaema ovale group (Araceae) selectively attract male fungus gnats of different Anatella species (Diptera: Mycetophilidae)	3
Winter flowers for bees: reproductive biology of Trixis praestans (Asteraceae)	3
Molecular species delimitation reveals underestimated diversity in the tree genus Nothapodytes (Icacinaceae)	3
Effect of hybridization on the morphological differentiation of the red oaks Quercus acutifolia and Quercus grahamii (Fagaceae)	3
Phylogeny and biogeography of the genus Hesperis (Brassicaceae, tribe Hesperideae) inferred from nuclear ribosomal DNA sequence data	3
Molecular phylogenetic and morphological analyses support recognition of a new species of Vincetoxicum (Apocynaceae, Asclepiadoideae) from eastern Thailand	3
Comparative pollination ecology, fruit and seed set in Corunastylis species (Orchidaceae)	3
Reproductive biology of Malpighiaceae: How much do we know?	3
Phylogenetic re-assessment of the delimitation of Plocama and its species relationships and limits (Rubiaceae, Putorieae): resurrection of the monospecific genus Aitchisonia and a description of trib.	3
Palynological study of Asian Thismia (Thismiaceae: Dioscoreales) reveals an unusual pollen type	3
From East Asia to Beringia: reconstructed range dynamics of Geranium erianthum (Geraniaceae) during the last glacial period in the northern Pacific region	3
Introducing two new members of the genus Candolleomyces (Agaricales, Psathyrellaceae) from Punjab, Pakistan	3
Flower morphology and phylogenetic analysis of some Dioscorea species of the section Stenophora (Dioscoreaceae)	3
Updated synopsis of Acalypha (Euphorbiaceae, Acalyphoideae) from Brazil	3
The evolutionary history and phylogeographic pattern of Hippuris vulgaris: hybridization and long-distance dispersal from China	2
Edraianthus tarae (Campanulaceae), an intriguing taxon from the Balkan Peninsula: evidence from a morphometric and genome size study	2
Breeding systems of four plant communities in the Venezuelan central plains	2
Unequal stability of different parts in the flag blossom (Leguminosae) with notes on factors affecting variability of pentamerous pentacyclic angiosperm flowers	2
Floral ontogeny and secretory structures of Discolobium pulchellum and Riedeliella graciliflora (Leguminosae: Papilionoideae: Dalbergieae): two closely related genera with diverging floral morphology	2
Low seed fertility of hermaphrodites is maintained in a gynodioecious species throughout the distribution range in Japan	2
Systematics of the Iranian genera Aphanopleura, Demavendia, Haussknechtia, Psammogeton, and Zeravschania (Apiaceae tribe Pimpinelleae)	2
Stem anatomy of Grewia caffra (Malvaceae): an uncommon cambial variant in the order Malvales	2
Out of the mud: two new species of Hippeastrum (Amaryllidaceae) from the Doce and Jequitinhonha River basins, Brazil	2
Taxonomic revision of Delphinium (Ranunculaceae) in the South-East of European Russia	2

Taxonomic differentiation among Portulaca minensis (Portulacaceae) and its allies occurring within the Espinhaço Range, Brazil, based on macro and microcharacters	2
Genetic structure, phylogeography and potential distribution modeling suggest a population expansion in the mesquite Prosopis laevigata since the last interglacial	2
Anthurium bromelicola and A. sterilispadix (Araceae): two distinct bromeliad commensals with highly unusual inflorescence morphology endemic to Northeast Brazil	2
Phenotypic integration of pollination traits in a distylous species with high intra-individual floral variation	2
Diversity of RNA editing in chloroplast transcripts across three main plant clades	2
The evolutionary history of Fouquieriaceae (Ericales): biogeography, growth habit, habitat colonization, and chromosome evolution	2
For the birds? Contrasting pollination and breeding systems of the paintbrush lilies Scadoxus puniceus and S. membranaceus (Amaryllidaceae)	2
A novel saxicolous species of Circinaria (Megasporaceae, Ascomycota) from Pakistan	2
The monotypic genus Flavocetraria and two new genera: Cladocetraria and Foveolaria, in the cetrarioid core	2
Floral anatomy points to autogamy as a possible evolutionary path in Elatinaceae (Malpighiales)	2
Spicoid ontogeny in Diplasia (Mapanioideae, Cyperaceae): an approach on the developmental processes operating in Mapanioideae spicoids	2
Morphological variability, cytotype diversity, and cytogeography of populations traditionally called Dactylorhiza fuchsii in Central Europe	2
Stamen and pollen development in Menispermaceae with contrasting androecium structure	2
Pluteus brunneoalbus, a new species, and P. sepiicolor, a new record for China	2
Exocarp structure in the genus Atraphaxis (Polygonaceae, Polygoneae)	2
Flower symmetry in Saxifraga revisited	2
Chloroplast phylogenies of Australasian Gleichenia ferns (Gleicheniaceae) reveal incongruence with current taxonomy, and frequent long-distance dispersal	2
Ecological and evolutionary aspects of seed coat and seedling development in Juncus tenuis (Juncaceae, Poales)	2
Diverse large lepidopteran pollinators promote the naturalisation of Crinum asiaticum in invaded and disturbed habitats, despite apparent floral specialisation	2
Geastrum dolomiticum, a new earthstar species from Central Europe	2
Updates on Geastrum sect. Exareolata, with a description of a striking new species from the Neotropics	2
History, evolution and domestication of garlic: a review	1
Gymnopilus rubellus sp. nov. from the coniferous forests of Azad Jammu and Kashmir, Pakistan	1
Selected perennial plants do provide convenient standards for the determination of genome sizes with flow cytometry	1
Correction to: Terpene synthase genes in Melaleuca alternifolia: comparative analysis of lineage‑specific subfamily variation within Myrtaceae	1
Vegetative organs morphological plasticity of Ludwigia grandiflora in flooded and flood-free habitats	1
Phylogeography and classification of Dusty Miller (Spyridium parvifolium; Rhamnaceae): a morphologically variable shrub from south-east Australia	1
Establishment of polyploidy in natural populations of Mimulus guttatus	1
Asymmetrical hybridization between Trillium apetalon and T. tschonoskii for the formation of a hybrid T. miyabeanum (Melanthiaceae)	1
Morphological traits in keel flowers of Papilionoideae (Fabaceae) and their relationships with the pollination mechanisms	1
Revisiting the bicontinental allopolyploid origin of Australasian Lepidium species with amplicon sequencing of 15 nuclear genes	1
Diversity and distribution of phototrophic primary producers in saline lakes from Transylvania, Romania	1
Two new species of the genus Oxneriaria (lichenized Ascomycota: Megasporaceae) from Pakistan	1
A new species of Memnoniella (Hypocreales, Stachybotryaceae), Memnoniella pseudodichroa, from the ancient subtropical giant fern Angiopteris lygodiifolia (Marattiaceae) in Taiwan	1
Haplotype diversity patterns in Quercus suber (Fagaceae) inferred from cpDNA sequence data	1
The fossil pollen record of Hamamelidaceae in the Iberian Peninsula	1
Effective seedbank management to ensure food security and preserve biodiversity	1
Evolutionary origin and systematic position of Euphorbia normannii (Euphorbiaceae), an intersectional hybrid and local endemic of the Stavropol Heights (Northern Caucasus, Russia)	1
Phylogeny of Globba section Nudae and taxonomic revision of the new Globba subsection Pelecantherae	1
An unexpected case of wind pollination: ambophily in an ornithophilous tropical mountaintop Orobanchaceae	1
Introgression of phylogeography lineages of Convolvulus gortschakovii (Convolvulaceae) in the northwest China	1
Australian Senecio macrocarpus and S. squarrosus were suggested as apomictic but are fully sexual: evidence from flow cytometric seed screening analyses	1
Chicomendes (Euphorbiaceae, Tragiinae): a new Amazonian genus segregated from Tragia	1
Taxon delimitation, chromosome numbers and genetic diversity of Paspalum polyphyllum and P. bicilium (Poaceae, Paspaleae)	1
A pentaploid endosperm and a Penaea-type embryo sac are likely synapomorphies of Azorella (Apiaceae, Azorelloideae)	1
Phylogeny and infrageneric classification of tulips	1
Genetic diversity and population structure of Aechmea distichantha (Bromeliaceae), a widely geographically distributed species in South America	1
Cytogeography of Gagea bohemica (Liliaceae) outside the Mediterranean: two ploidy levels, spatial differentiation of cytotypes, and occurrence of mixed-ploidy populations	1
Hybridization may endanger the rare North Apennine endemic Cirsium bertolonii	1
Cantharocybe habibii: a new species in the genus Cantharocybe	1
Genetic variation and differentiation of Quercus variabilis populations at phosphate and non-phosphate rock sites in southwestern China	1
Living at its dry limits: Tillandsiales in the Atacama Desert	1
Molecular phylogeny of two Aliinostoc isolates from a paddy field	1
Phylogenetics of Japanese Geranium (Geraniaceae) using chloroplast genome sequences and genome-wide single nucleotide polymorphisms	1
Phylogenetic, cytogenetic and morphological evidences are critical for recognizing a new genus: Valdesiana, an Iberian intergeneric allopolyploid between Schenkia and Exaculum	1