Sorrel / Rumex

Mayweed (Matricaria)

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Mayweed Genus Details

Mayweed is an annual herb which resembles chamomile. It has large single flowers on erect stems. Mayweed has a strong odor which increases when it's rubbed. Mayweed grows to 2' tall.

Mayweed Allergy Info

Skin rashes have been reported due to oils on the leaves. Pollen is not commonly reported as a cause of allergy.

Mayweed Pollen Description

No pollen description is currently available.

Species in This Genus

Allergenicity Legend:

Mild Allergen |

Moderate Allergen |

Severe Allergen |

Allergy Test Available

Mayweed (Matricaria) is a genus of the ASTERACEAE family.
This genus includes the following allergenic species:

Wild Chamomile (Matricaria recutita)

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Mayweed Genus Location

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