Giant Ragweed

Ambrosia trifida

Summary 2

Ambrosia trifida is a species of flowering plant in the aster family, Asteraceae. It is native to North America, where it is widespread in Canada, the United States, and northern Mexico. It is present in Europe and Asia as an introduced species, and it is known as a common weed in many regions. Its common names include great ragweed, Texan great ragweed, giant ragweed, tall ragweed, blood ragweed, perennial ragweed, horseweed,buffaloweed, and kinghead.

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  1. (c) zen Sutherland, some rights reserved (CC BY-NC-SA),
  2. (c) Wikipedia, some rights reserved (CC BY-SA),

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