The diagnostic value of leaf shape for mangrove species Avicennia germinans and A.
schaueriana was examined in four areas within the Rio Parnaíba delta, Maranhão, Brazil …

Coastal vegetation will be the first areas to be directly affected by rising sea levels as a result
of climate change. Thus, it is urgent to know and disseminate information about their plant …

Oxalis jacobinensis, a new species of Oxalis sect. Thamnoxys, is described from the State of
Bahia, in the northern sector of the Chapada Diamantina mountains. It can be distinguished …

During a collection expedition on the banks of the Inauiní River, in Terra Firme Forest, near
the town of Boca do Acre, Amazonas State, an unknown species of Anthurium with the …