Abstract
ABSTRACT Poaceae is a cosmopolitan family that includes species found in both forest and grassland formations. The objective of this study was to carry out the first floristic survey of Poaceae in the Parque Estadual do Guartelá (PEG), one of the last remnants of native grassland vegetation in the State of Paraná, Brazil, and provide resources to assist the identification of genera and species. The survey was conducted based on field collections and searches in the Species Link online database. In the PEG, Poaceae is represented by 29 genera and 54 species, being Paspalum L. (eight spp.), Andropogon L. (five spp.) and Eragrostis Wolf (four spp.) the richest genera. The number of species in the PEG was incremented by 29 new records. In addition, five species were classified as exotic, five as endemic to Brazil, and two were considered least concern in relation to their conservation. We also present information regarding the distribution, habitat and conservation status for each species.
Highlights
Poaceae is considered one of the greatest families among Angiosperms (Kawakita et al 2016) and considerably important among the monocots, with approximately 12,074 species included in 771 genera (Soreng et al 2015)
In Brazil, there are 1,482 species recorded, distributed among 225 genera (Flora do Brasil 2020), while in Paraná there are 496 species recorded, distributed in 115 genera (Kaehler 2014). Due to their cosmopolitan dispersal, the family has a vast ecological range, with species occurring both in the forest as well as in grassland formations (Kawakita et al 2016, Flora do Brasil 2020), predominating in open areas (Boldrini et al 2008)
In the early Quaternary Period, the grassland formations covered a substantial part of the Paraná State
Summary
Poaceae is considered one of the greatest families among Angiosperms (Kawakita et al 2016) and considerably important among the monocots, with approximately 12,074 species included in 771 genera (Soreng et al 2015). In Brazil, there are 1,482 species recorded, distributed among 225 genera (Flora do Brasil 2020), while in Paraná there are 496 species recorded, distributed in 115 genera (Kaehler 2014). Due to their cosmopolitan dispersal, the family has a vast ecological range, with species occurring both in the forest as well as in grassland formations (Kawakita et al 2016, Flora do Brasil 2020), predominating in open areas (Boldrini et al 2008). Universidade Estadual do Oeste do Paraná, Departamento de Botânica, Rua Universitária, 2069, Bairro Jardim Universitário, 85819-110
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