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Pollen and Mold Center
Goosefoot Family (Chenopodiaceae Family) - LAMBSQUARTER


Get readings about Lambsquarter aeroallergens.

Weed pollen is dominant in the Fall.

Goosefoot Family in Missouri:
  • Winged Pigweed (Cycloloma)
  • Fire Bush or Summer Cypress (Kochia)
  • Goosefoot or Pigweed (Chenopodium)
  • Orach (Atriplex)
  • Russian Pigweed (Axyris)
  • Poverty Weed (Monolepis)
  • Bugseed (Corispermum)
  • Sea Blite (Suaeda)
  • Saltwort or Russian Thistle (Salsola)
Facts about the Goosefoot Family
  • Lambsquarter or Pigweed (Chenopodium album) is the most commonly reported in the St. Louis area.
Goosefoot Family Allergenicity
  • Lambsquarter blooms from May to October and produces abundant amounts of pollen.
  • In areas where lambsquarter is abundant, it has been reported to cause hay fever symptoms.
  • Russian thistle is considered to cause more cases of hayfever than any other member of the Chenopodiaceae family.