(also known as field burrweed, lawn burrweed, bindi weed)
Soliva sessilis Ruiz & Pav.
Soliva daucifolia Nutt.
Soliva pterosperma (Juss.) Less.
- Moss, Flora of Alberta – No
- Global Invasive Species Database – No
- NatureServe I-Rank – Not yet assessed
- AB Weed Act status – ?
 Link to Wikipedia, Soliva sessilis - "...Originally native to South America, the plant is now well established in many places around the world, including Australia, New Zealand, Hawaii, California, and several other states in the United States. It is mainly found in parks and ovals, though it has also become an invasive species in lawns in the southeast USA, Australia and New Zealand..."
 Link to USDA Plants, Profile and map for Soliva sessilis Ruiz & Pav., field burrweed