English edit

 
Iva annua
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Particularly: "Chorisiva nevadensis"

Etymology edit

sump +‎ weed

Noun edit

sumpweed (countable and uncountable, plural sumpweeds)

  1. Iva annua, annual marsh elder, a North American herbaceous annual plant in the sunflower family.
  2. Chorisiva nevadensis

Synonyms edit

Derived terms edit

References edit

Iva annua
Chorisiva nevadensis