OOIR: Observatory of International Research

Papers

(The H4-Index of American Journal of Botany is 20. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Genetic variation of the relict maple Acer miyabei: uncovering its history of disjunct occurrence and the role of mountain refugia in shaping genetic diversity	73
Toward a macroevolutionary understanding of live‐leaf flammability in plant species of fire‐prone forests	66
Floral scent of artificial hybrids between two Schiedea species that share a moth pollinator	63
Jack pine of all trades: Deciphering intraspecific variability of a key adaptive trait at the rear edge of a widespread fire‐embracing North American conifer	52
Differences in individual flowering time change pollen limitation and seed set in three montane wildflowers	47
Direct tracking of pollen with quantum dots reveals surprising uniformity in dispersal distance across 11 populations of an annual plant	36
Botany and geogenomics: Constraining geological hypotheses in the neotropics with large‐scale genetic data derived from plants	32
Molecular phylogeny and evolution of inflorescence types in Eperua	32
Hyperaccumulation of nickel but not selenium drives floral microbiome differentiation: A study with six species of Brassicaceae	27
Corrigendum to “The tiny drivers behind plant ecology and evolution”	27
Night and day: Contributions of diurnal and nocturnal visitors to pollen dispersal, paternity diversity, and fruit set in an early‐blooming shrub, Daphne jezoensis	26
The first Gondwanan Euphorbiaceae fossils reset the biogeographic history of the Macaranga‐Mallotus clade	26
Heterotic growth of hybrids of Arabidopsis thaliana is enhanced by elevated atmospheric CO₂	25
Reconstructing the introduction history of the invasive grass Taeniatherum caput‐medusae subsp. asperum in the western United States: Low within‐population genetic diversity does	23
Symbiotic fungi alter plant resource allocation independent of water availability	23
First Bignoniaceae liana from the Miocene of South America and its evolutionary significance	22
Effects of temperature on seed dormancy and germination of the coastal dune plant Viola grayi: germination phenology and responses to winter warming	22
Young evolutionary origins of dioecy in the genus Asparagus	22
The reconstructed evolutionary history of the Engelhardia spicata complex highlights the impact of a three‐tiered landform in the Indo‐Burma ecoregion	20
Clonal reproduction as a driver of liana proliferation following large‐scale disturbances in temperate forests	20
Scaling relationships of leaf vein and areole traits versus leaf size for nine Magnoliaceae species differing in venation density	20