tropical horseweed

Erigeron sumatrensis

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.

Sources and Credits

  1. (c) 2006 Luigi Rignanese, some rights reserved (CC BY-NC),
  2. (c) Wikipedia, some rights reserved (CC BY-SA),

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