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Russian-Thistle (Salsola)

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Russian-Thistle Genus Details

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Russian thistle is an annual herb with dry spine-tipped leaves. It is widely branching and has small flowers. The plant is commonly found in disturbed areas, along roadsides and in pastures. Old plants often break off and become “tumbleweeds”.



Russian-Thistle Allergy Info

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Russian thistle is a member of the Goosefoot family, which is a frequent cause of allergy for some.

Russian-Thistle Pollen Description

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The pollen grains are spheroidal with large pores and a thick exine. The pollen grains are similar to those of the Amaranthaceae family.
Pollen grains are usually 27-30 micrometers in diameter.
Salsola tragus, single grain. Herb. MIN
Salsola tragus, single grain. Herb. MIN
Salsola tragus, multiple grains. Herb. MIN
Salsola tragus, multiple grains. Herb. MIN

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Russian-Thistle (Salsola) is a genus of the CHENOPODIACEAE family.
This genus includes the following allergenic species:

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Russian-Thistle Genus Location

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The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

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