OOIR: Observatory of International Research

Papers

(The TQCC of Botany Letters is 3. 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
Friedmannodendron rodriguesiana , a new segregate of Dombeya Cav. (Dombeyoideae, Malvaceae), endemic to Rodrigues	19
The type of Nitzschia intermedia , an often-misidentified diatom in Europe with the description of a new Nitzschia	11
Updated diversity and taxonomy of the fern genus Abrodictyum C. Presl (Hymenophyllaceae, Polypodiidae) in Asia, Australasia and Oceania	11
Elucidating the reproductive systems and fruit description of the Breadnut ( Brosimum alicastrum Sw., Moraceae), an underutilised opportunity food tree,	11
Francis Hallé (1938–2025), founder of the study of tree architecture	11
Staurosirella constrictalonga , a new colony-forming araphid diatom species (Bacillariophyceae, Staurosiraceae) from France with some notes on a second rarely observed	9
Early leaf development of Typha domingensis Pers. (Typhaceae)	9
Insights into palaeobotany	8
Correlation between epicarp spots and the overall quality of Forsythiae Fructus	7
Breeding system in Olea ferruginea Royle (Oleaceae): comparative performance of staminate and perfect flowers in reproductive assurance	7
Rediscovery, digitization and historical analysis of the Rabenhorst Lichenes Europaei collection preserved in the Portici Herbarium (Naples, Italy)	7
A computer vision methodology for pollen classification using SEM: a case study with medicinal plant species	7
A new heteropolar Staurosirella species (Staurosiraceae, Bacillariophyceae), widely distributed in Europe	7
Samuel Browne’s late 17th century Indian herbarium: identifications and early modern taxonomic practice	7
New synonyms and lectotypes in Brazilian Sida (Malvoideae, Malvaceae)	6
Plants used for palm-leaf manuscript production and conservation in South and Southeast Asia: a review of the literature	6
Refined morphological circumscription and epitypification of Pseudostaurosira polonica (Witak & Lange-Bertalot) E.Morales & Edlund (Staurosiraceae, Bacillariophy	6
Functional analysis of ROX1 and rolB in the regulation of floral organ elongation in <	6
Nomenclatural review and lectotypification of Pappophorum species (Poaceae: Chloridoideae)	6
Transcriptomic analysis reveals differential gene expression patterns during cannabis leaf morphogenesis and phase transition	6
Typification and nomenclature notes on Viola lutea (Violaceae)	5
Phylogenomic and chromosomal evidence help clarify relationships within the geographically widespread genus Halerpestes (Ranunculaceae)	5
Cercestis blancii (Araceae), a remarkable new species from South Cameroon exhibiting a unique sequential monopodial growth and spiny aerial feeding roots	5
Scaling relationships between leaf petiole and lamina size of two Photinia species	5
Comparison of the performance of two polar equations in describing the geometries of elliptical fruits	5

Rare and new Gomphonema Ehrenberg species (Bacillariophyceae) from northern Nouvelle-Aquitaine region (southwestern France)	5
The climbing flora of New Caledonia: a comprehensive checklist	5
Revision of the Nitzschia sigma complex (Bacillariophyta), a frequent cosmopolitan species in disguise with the description of two new species	5
A terrestrial hybrid quillwort, Isoetes ×angeloi, hyb. nov., (Isoetaceae) from Sicily	5
The allopolyploid origin(s) and diversification of New Caledonian Grevillea (Proteaceae)	5
“Diminishing returns” in the scaling of leaf area vs. dry mass across 94 teas in China	5
Major field margin vegetation types in France and their relationships with climate, agricultural landscapes and management intensity	4
Callose is necessary for aperture formation and high pollen performance	4
Is there variation in ten woody species reproductive phenology within the Atlantic Forest biodiversity hotspot?	4
Editorial	4
Foliar morphology and epidermal ultrastructure of four Selaginella species (Selaginellaceae – Lycophyta)	4
Vegetation ecotones are rich in unique and endemic woody species and can be a focus of community-based conservation areas	4
Low size inequality in stomatal area distributions detected for 12 tree and shrub Magnoliaceae species: evidence of hydraulic optimization	4
Diatom assemblages in glacial-fed streams of Italian Western Alps	4
Plant–pollinator interactions in ultramafic and non-ultramafic environments in New Caledonia	4
Identifying secondary gene clusters involved in metabolite biosynthesis in the Cajanus cajan genome	4
Correction	4
Reassessment of the typification of two names in the genus Celastrus : Celastrus monospermus Roxb. &	3
Morpho-anatomical basis of adaptive stylar movement in the threatened Himalayan medicinal plant Valeriana wallichii DC	3
Key anthocyanin types and endogenous physiological factors determine the colour of white vs. pink Styrax japonicus petals in different developmental stag	3
From traditional taxonomy to the inclusion of web applications to improve diatom-based ecosystem’s health assessment	3
Evidence for a Miocene pulse of diversification of the tropical American clade of the Brazil nut family (Lecythidaceae)	3
Variation in fern species richness, assemblages and morphology along a tropical riparian humidity gradient: an example from Borneo	3
Part 2: aspects of the relation between photosynthesis and crop productivity	3
Microenvironmental conditions as predictors of tree diversity and structure patterns in a Mexican temperate forest	3
Status of Hiptage benghalensis (L.) Kurz (Malpighiaceae). A review	3
Fossil evidence of Trachycarpeae (Arecaceae) from the K-Pg of India and its biogeographic implications	3
Taxonomic revision and phylogenetic insights of Peperomia subgenus Multipalmata (Piperaceae) from Central	3
Reproductive phenology and pollination biology of the wild pineapple Ananas bracteatus (Bromeliaceae): an analysis based on field and herbarium records	3
Correction	3
Fruit characters in early divergent Arecaceae-Arecoideae: comparative carpology of Hyophorbe Gaertn. (Chamaedoreeae)	3
The d’Oignies herbarium: contents and origins of an early 18th-century plant collection from the Netherlands	3
A new species of Anisotaenia (Apiaceae) from the Central Zagros Mountains of Iran	3
First genome size assessment and fluorochrome chromosome banding in Argania spinosa (L.) Skeels (Sapotaceae)	3
Rice ( Oryza sativa L.) is predominantly cross-pollinated	3
How carpels and perianth affect stamens: evidence from stochastic meristic changes	3