Summary ²

Conyza sumatrensis is an annual herb probably native to South America, but widely naturalised in tropical and subtropical regions, and regarded as an invasive weed in many places. In the British Isles it is known as Guernsey fleabane. Other common names include fleabane, tall fleabane, broad-leaved fleabane, white horseweed, and Sumatran fleabane.

Fontes e Créditos

1. (c) Bruce Calvert, alguns direitos reservados (CC BY), uploaded by Bruce Calvert
2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Erigeron_sumatrensis

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