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A revision and morphological analysis of the Uruguayan species of Stevia (Compositae, Eupatorieae)

Abstract A revision and a morphological analysis of the Uruguayan species of Stevia (Compositae, Eupatorieae) were performed. Leaf, inflorescence, pubescence and pappus traits were identified as key…
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The genus Stevia (Eupatorieae, Asteraceae) in Chile: a taxonomical and morphological analysis

In this work, only one species of Stevia in Chile is recognized: S. philippiana, which has a wide morphological variation mainly in leaf and pappus features.
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Where is historical biogeography going? The evolution of the discipline in the first decade of the 21st century

It has been argued that historical biogeography, the study of how processes that occur over long periods of time influence the distribution of life forms, is in the midst of a scientific revolution.…
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The road to 2020 targets and the learnings from the emblematic South American plant genus Nassauvia (Asteraceae)

It is identified a future dramatic loss of Nassauvia species in the Andes and conversely a species increase in Patagonia, which has emerged as the cradle of the genus and could be its refuge in the future according the predictions targeted by climate change.
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Neotypification of Stomatanthes Helenae (Buscal. & Muschl.) Lisowski (Asteraceae): The Curious History of an African Specimen

A specimen from BRLU herbarium is chosen here as neotype of Eupatorium helenae, and a re-description of the species, an illustration, a distribution map, as well as a key to the African species of Stomatanthes, are provided.
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Root anatomy of 37 species of Asplenium (Aspleniaceae) from Argentina: Contributions to the systematics and phylogeny of the genus

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Criscianthus, a new genus of Eupatorieae (Asteraceae) with a key to members of the tribe in Africa

Criscianthus zambiensis is characterized by its verticillate phyllotaxy with three leaves per node, phyllaries with caudate apex, and an exclusive type of hair in its cypsela.
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Genetic Variability in Apurimacia dolichocarpa (Fabaceae), a Narrow Endemic Species of Córdoba Hills, Argentina

Apurimacia dolichocarpa does not appear as threatened from the genetic viewpoint, given that its populations preserve a moderate level of allozymic polymorphism, and artificial establishment of intermediate populations would facilitate pollen dispersal, a strategy that could favour the maintenance of the polymorphism levels.
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Brazilian Flora 2020: Leveraging the power of a collaborative scientific network

The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and…
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The importance of native and exotic plant identity and dominance on decomposition patterns in mountain woodlands of central Argentina

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