Results 111 to 120 of about 5,282 (254)

Sinningia pampeana sp. nov. (Gesneriaceae) from the Pampa's rocky outcrops in southern Brazil and Uruguay

open access: yesNordic Journal of Botany, EarlyView.
Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira   +4 more
wiley   +1 more source

Helosis (Balanophoraceae) en Argentina Helosis (Balanophoraceae) in Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2006
Se cita por primera vez para Argentina Helosis cayennensis (Swartz) Sprengel var. cayennensis en base a colecciones hechas por los autores en la Isla argentina de Apipé Grande, Ituzaingó, provincia de Corrientes.
José Luis Fontana   +1 more
doaj  

Two new species of Calea ser. Multiplinerviae (Asteraceae: Neurolaeneae) from Brazil

open access: yesNordic Journal of Botany, EarlyView.
Detailed studies of specimens from Rondônia and Mato Grosso do Sul showed that two new species have been misidentified: Calea micropappa resembles Calea pilosa, but differs by leaf apex obtuse to acuminate (versus acute), paleae present (versus paleae absent), disc corolla lobes 1.2–1.3 mm long (versus 0.7–0.8 mm), and pappus scales 0.1–0.25 mm long ...
Vinícius Resende Bueno   +2 more
wiley   +1 more source

Habitat loss reshuffles ecological and evolutionary interactions in a seed dispersal network

open access: yesOikos, EarlyView.
In tropical forests, habitat loss reshapes species composition, favoring generalists and recently emerged lineages while specialists and older evolutionary lineages are lost. However, how changes in species ecological attributes and evolutionary history affect ecological processes is poorly explored.
Fernando César Gonçalves Bonfim   +8 more
wiley   +1 more source

Comentarios sobre la identidad taxonómica de Borreria valens (Rubiaceae) y descripción de Borreria orientalis, nueva especie de Argentina, Brasil y Paraguay

open access: yesBoletín de la Sociedad Argentina de Botánica, 2012
Se describe una nueva especie del género Borreria denominada B. orientalis, aparentemente exclusiva de la provincia fitogeográfica Paranaense en Argentina, Paraguay y Brasil. Los materiales analizados de la nueva especie fueron erróneamente identificados
Elsa L Cabral   +2 more
doaj  

The interacting effects of precipitation and microhabitat on non‐native seed predation are contingent on temporal dynamics

open access: yesOikos, EarlyView.
Understanding how different drivers of global change interact to shape ecological processes remains a major challenge in ecology. Climate change is reshuffling the interactions that structure communities, with major implications for biological invasions.
Mariana C. Chiuffo   +4 more
wiley   +1 more source

Open letter: The need for a site‐based biodiversity standard measuring and certifying impacts from nature‐based projects

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Despite growing investment in restoration, weak accountability and poor biodiversity monitoring mean many projects fail to achieve ecological recovery. The Global Biodiversity Standard (TGBS) offers a practical way to ensure that restoration finance delivers measurable gains for nature.
David Bartholomew   +254 more
wiley   +1 more source

Coccocypselum pulchellum (Rubiaceae, nuevo registro para Argentina

open access: yesDarwiniana, 2007
Se cita Coccocypselum pulchellum por primera vez para Argentina, en Predio Guaraní, Misiones. Esta es la tercera especie de Coccocypselum registrada para la flora de Argentina junto con C. hasslerianum y C. lanceolatum.
Elsa L. Cabral, Roberto M. Salas
doaj  

Las floras triásicas de la Argentina

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Las floras triásicas de la ...
openaire   +1 more source

Open letter: Brazil at a crossroads—Protecting peatlands is essential for post‐COP30 climate leadership

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
This Open Letter highlights peatlands as critical yet overlooked ecosystems in Brazil's climate and biodiversity policies. By translating scientific evidence into clear, actionable priorities for policymakers, it supports more accurate climate reporting, effective mitigation strategies, and improved land‐use governance.
Suelma Ribeiro Silva   +52 more
wiley   +1 more source

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