Poidium is a genus of grasses. It includes eight species native to South America, including Colombia, Bolivia, southern and southeastern Brazil, Paraguay, Uruguay, and Argentina.
Species Eight species are accepted. Poidium ambiguum Poidium brasiliense Poidium calotheca Poidium itatiaiae Poidium juergensii Poidium latifolium Poidium serranum Poidium uniolae
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