Abstract
Abstract Recent in situ samplings and analysis of herbarium material revealed new occurrences of Coussapoa curranii (Urticaceae). In this study, an updated distribution map is given for the species in the Brazil. Nevertheless, due to the low representativeness of individuals in forestry surveys, and its natural occurrence in environments under threat of degradation, it is necessary to categorize this species as Critically Threatened (CR) according to IUCN criteria. Also, as a result of this study and in compliance with Target 8 of the Global Strategy for Plant Conservation, the species is being grown in the Parque Botânico do Ecomuseu Ilha Grande. This park is located in the area of its most recent record of natural occurrence, Parque Estadual da Ilha Grande, Angra dos Reis, Rio de Janeiro, Brazil.
Highlights
Recent in situ samplings and analysis of herbarium material revealed new occurrences of Coussapoa curranii (Urticaceae)
The number of recognized plant taxa of the Brazilian flora is constantly updated by floristic and phytosociological studies and online availability of scientific collections throughout the national territory. These efforts contribute to the development of the list of the Brazilian Flora (BFG 2018) and of the researches to solve the remaining gaps
Coussapoa curranii is endemic to the Brazilian Atlantic Forest and occurs at elevations of up to 500 meters (Carauta et al 1996)
Summary
Recent in situ samplings and analysis of herbarium material revealed new occurrences of Coussapoa curranii (Urticaceae). Some of these studies demonstrated, for example, the rediscovery of species classified as presumably extinct (EX) in the São Paulo and Rio de Janeiro states, which are Brazilian areas whose forests were strongly reduced (e.g., Filgueiras & Shirasuna 2009; Rodrigues & Filgueiras 2013; Rosa et al 2016). Pós-graduação em Biologia Vegetal, Parque Botânico do Ecomuseu Ilha Grande, Maracanã, Rio de Janeiro, RJ, Brazil.
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