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Pillpod Sandmat (Euphorbia hirta L.)

Also known as garden spurge; also classified as Chamaesyce hirta (L.) Millsp.

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Range - Expand

LegendColor
Native
Introduced
Native or Not Present
Introduced or Not Present
Native or Introduced
Native or Expanded
Expanded or Not Present
Native or Expanded or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

This species has been introduced to a number of new areas beyond its native range, and we made some arbitrary judgment calls of where to mark it Introduced vs Expanded, based primarily on separation of distance from native populations. This species is also native to Mexico, but we have yet to build this portion of its map.

Control

This species has high invasive potential, particularly in tropical climates. It has already become widely established throughout the tropics, in Africa, South and Southeast Asia, and Australia. We recommend caution against introducing this plant to anywhere beyond its native range.

Chamaesyce hirta (pillpod sandmat) | USDA PLANTS Database (About This Site)

Euphorbia hirta | Biota of North America Project (BONAP) (About This Site)

Chamaesyce hirta | NatureServe Explorer (About This Site)

Euphorbia hirta | Flora of North America (About This Site)

garden spurge | CABI Invasive Species Compendium (About This Site)

Asthma Weed | Maryland Biodiversity Project (About This Site)

Euphorbia hirta L. (Pillpod Sandmat) | Digital Atlas of the Virginia Flora (About This Site)

Euphorbia hirta L. | Plants of the World Online (POWO) (About This Site)