OOIR: Observatory of International Research

Papers

(The TQCC of Acta Botanica Brasilica 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 2021-09-01 to 2025-09-01.)

Article	Citations
Spores of Radulaceae (Marchantiophyta) exhibit a level of micromorphological diversity far beyond expectation	33
Cecropia manauara (Urticaceae), a new species from the Brazilian Amazon	33
Microfungi in endemic plants of Brazil: Paubrasilia echinata (Brazilwood)	12
Leguminosae endemic to the Chaco facing quaternary climate fluctuations	10
Morpho-physiological and glucomannan biosynthesis-related gene expression of Porang (Amorphophallus muelleri Blume) Under Salinity Stress	10
Spiranthinae (Orchidaceae - Cranichideae) from Uruguay: taxonomy and distribution	10
Novelties in South American Garcinia (Clusiaceae): Tying loose ends across biomes	9
Challenges and lessons learned from digitizing small Brazilian herbaria	8
Morphometric studies suggest taxonomic changes in a species complex in Chromolaena (Asteraceae, Eupatorieae, Praxelinae)	7
Redefinition of Stachytarpheta sprucei (Verbenaceae) reveals a remarkable geographic disjunction in tropical forests of South America	7
Phytoplankton dynamics in a drinking water catchment zone at the Amazon River mouth	6
Crop yield mediated by honeybees in a star fruit orchard exhibiting atypical distyly	6
Under ground: what pH favors germination and the root growth of Zeyheria tuberculosa (Vell.) Bureau ex Verl.	5
Phytochemical compositions, antioxidant properties, enzyme inhibitory effects of extracts of four endemic Lathyrus L. taxa from Türkiye and a taxonomic approach	5
Quilombola Ethnomedicine: The Role of Age, Gender, and Culture Change	5
Narrow mycorrhizae and large non-mycorrhizal fungal diversity associated with roots of Cattleya milleri, an endemic and endangered orchid from a rupestrian hotspot in the “Quadrilátero Ferrífero” of M	5
Canopy openness and soil conditions explain community structure and diversity in a tropical seasonal forest in south-eastern Brazil	5
Bryophytes of Rio Turvo State Park (SP), Brazil: integrating floristics, geographical distribution, reproduction and ecological traits to support the conservation of an Atlantic Forest fragment	5
Sympatric and phenotypic variation between two representative species of the Atlantic Forest: an analysis of the hydraulic system	5
Does spatial and seasonal variability in fleshy-fruited trees affect fruit availability? A case study in gallery forests of Central Brazil	5
Pollen morphology of Galactia P. Browne and related genera (Papilionoideae, Leguminosae), with emphasis on Brazilian representatives	5
Potential species for high biomass production and allometric modelling of even-aged native tropical lowland trees of Indonesia	5
A new species of Blechnum L. (Blechnaceae, Polypodiopsida) from central-western Brazil, with an updated key to the species in the country	4
Possibly Extinct or Data Deficient? A challenge for conservation status assessment based on single locality: Insights from Beilschmiedia lancifolia Miq.	4
On the identity of Oocephalus lythroides (Hyptidinae, Lamiaceae): a new combination in the genus Cantinoa	4

Regional risk assessment of high-altitude field mosses	4
A new species of Lippia (Verbenaceae) from the Espinhaço Range, Minas Gerais, Brazil	4
Botanical structure of two urbansecondary forest and associations with meliponiculture in eastern Amazon	4
Distribution patterns of Serjania (Sapindaceae, Paullinieae) in Bolivia: a starting point for understanding its biogeographical history in America	4
Diversity of the Passiflora L. in the Serra do Mar ecoregion and the relationships with environmental gradients, South and Southeast, Brazil	4
Flowers in the cities: effects of spatial distance on incidence and intensity of florivory by insects	4
Influence of exogenous abscisic acid on physiological responses of Dendrobium candidum under drought stress	4
Phenological mismatches of Myracrodruon urundeuva Allemão (Aroeira) between an anthropogenic and preserved Caatinga fragment	4
How much of the Caatinga is legally protected? An analysis of temporal and geographical coverage of protected areas in the Brazilian semiarid region	4
Biomass, growth and nutritional composition of the seaweed Gracilaria domingensis (Kützing) Sonder ex Dickie (Rhodophyta) under different nitrogen and phosphorus availability	3
Could the presence of preformed leaves inside the seed be more important than seed size for the establishment and growth of Cerrado seedlings?	3
Quantitative morphometrics suggest that the widespread Neotropical Humiria balsamifera (Aubl.) St. Hil. is a species complex	3
Complementary allometric model of understory tree biomass in the semi-deciduous rainforest of Cameroon	3
Morphological analysis of pollen grains in Machaerium species from São Paulo, Brazil	3
Phytochemical identification of the bioactive ingredients of some Saudi herbal medicine by Gas chromatography/ mass spectrum	3
Duguetia leucotricha (Annonaceae), a new species from the Atlantic Coastal Forest of Brazil	3
Synopsis of Anomobryum and Bryum (Bryaceae, Bryophyta) in Brazil	3
Influence of abiotic factors on phytoplankton diversity and distribution in an atoll environment	3
A scientometric study of the molecular data on Brazilian red algae	3
Embracing Methodological Issues in Ethnobiology and Overcoming Challenges	3
Climate variations affect the growth period of young Tectona grandis Linn F. in the Amazon	3
The Ferns of the Calilegua National Park: a look through their spores. Part I	3
Wildfire does not affect spore abundance, species richness, and inoculum potential of arbuscular mycorrhizal fungi (Glomeromycota) in ferruginous Canga ecosystems	3
Erratum	3
Bud pollination and other techniques are ineffective in breaking late-acting self-incompatibility in Ceiba chodatii (Malvaceae - Bombacoideae)	3
Effect of woody plant removal in herb-subshrub communities in preserved and disturbed Brazilian Chaco areas	3
The explosive flowers of Marsypianthes chamaedrys (Lamiaceae) resort to self-pollination and improve reproduction	3
Arbuscular mycorrhizal and dark septate fungi are not common in roots of epiphytic pteridophytes of a transitional forest area in South Brazil	3
Erratum	3
Is distyly in subtropical Psychotria brachyceras (Rubiaceae) similar to the general trends observed for the genus?	2
Genetic and reproductive evidence of incomplete isolations barriers between Pterodon emarginatus and P. pubescens (Leguminosae, Papilionoideae)	2
Morphoanatomical functional traits of terrestrial acrocarpous mosses in campos de altitude	2
Revisiting the tangled taxonomy of Scleria subgenus Scleria section Hymenolytrum: a lectotype replacement, a new synonym, and the reestablishment of Scleria cyperinoides as an accepted name	2
Myrtaceae Juss. in restinga of Bahia: diversity, taxonomy, and distribution	2
Petunia toropiensis (Solanaceae): A surprising new species endemic from Toropi river basin in southern Brazil	2
Chemical constituents and biological activities of the aerial part of Stipagrostis ciliata (Desf.) De Winter, a perennial grass in North Africa	2
Synopsis of Argythamnia, Chiropetalum and Philyra (Euphorbiaceae) in South America	2
Filling a gap: endophytic fungal diversity in the leaves of Miconia mirabilis in the Atlantic Forest (Brazil) and the description of a new Muyocopron species	2
The genus Piptadenia Benth.: pollen morphology and taxonomic implications	2
Are the anatomical traits of stems and leaves good indicators of habitat specificity in closely related Myrtaceae species from Patagonia?	2
A new species of Lecidella (Lecanorales, Ascomycota) from Azad Jammu and Kashmir, Pakistan	2
Nuclear and chloroplast microsatellites reveal high genetic diversity and structure in Platonia insignis Mart., an endangered species native to the Brazilian Amazon	2
Tree-ring climate response of chir-pine (Pinus roxburghii Sarg.) in the sub-tropical forest, western Nepal	2
Could leaf morphoanatomy characters help in the delimitation of Dyckia selloa complex?	2
Xyris serrana (Xyridaceae), a new species endemic to the Campos de Cima da Serra, southern Brazil	2
Payment for ecosystem services: the economy that will save natural environments?	2
Microsatellites are important for forest genetic resources conservation in Brazilian biomes	2
Variation in leaf functional trait and ecological strategies in two seedling species in disturbed forest fragments in Eastern Amazonia	2
Mutation in focus: first record of a wild chimeric individual for the subtribe Laeliinae (Orchidaceae)	2
Synopsis of the Piper subgenus Ottonia Spreng. (Piperaceae) from Brazil	2

Agalinis marianae (Orobanchaceae), a new endangered species endemic to the Quadrilátero Ferrífero, Minas Gerais, Brazil	2
Pollen profile of bee pollen from semiarid Northeastern Brazil	2
A new endangered species of Mollinedia (Monimiaceae, Laurales) endemic to the Atlantic forest in the state of Espírito Santo, Brazil, supported by morphology and genome size estimation	2
Brazilian Atlantic Forest and Pampa Biomes in the spotlight: an overview of Aspergillus, Penicillium, and Talaromyces (Eurotiales) species and the description of Penicillium nordestinense sp. nov.	2
Mahabalella pernambucana, a new hyphomycete from Brazil with notes on its phylogenetic positioning	2
Iron toxicity: effects on the plants and detoxification strategies	2
Unveiled diversity: Amazonian Campinaranas harbor twice the number of bryophyte species recorded in the last century	2
Updated flora of a Southern Cerrado fragment reveals threat to its biodiversity	2
Fusarioid fungi in soils of agroecological polycultures and tropical dry forest in rural Triunfo, Brazil: Insights into sustainable agricultural management	2
Facilitation in mangrove ecosystem: The role of herbaceous species in seedling recruitment and growth patterns of Avicennia germinans in a recovering mangrove in Northeastern Brazil	2
Revised delimitation of Croton campestris (Euphorbiaceae), including description of two new species, molecular phylogenetic, anatomical and micromorphological data	2
Rediscovering Andreaea subulata Harv., a critically endangered moss in Brazil	2
Does the presence of exotic species decrease the initial development of native species in Brazilian seasonally dry tropical forests?	2
Key abiotic parameters for the management of the richness of bryolichenic communities in bogs of North Patagonia (Chile)	2
Reconstruction of the evolutionary biogeography reveals the origins of Alpinia Roxb. (Zingiberaceae): A case of “out-of-Asia” migration to the Southern Hemisphere	2
Reproductive ecology of the prickly pear Opuntia atropes, a native plant subject to management	2
Untangling Eriotheca gracilipes (Malvaceae, Bombacoideae): A new species and a new combination in Eriotheca	2