Common Wireweed (Sida acuta Burm. f.)
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↑Range - Expand
| Legend | Color |
| Native | |
| Expanded | |
| Introduced or Not Present | |
| Native or Expanded | |
| Expanded or Not Present | |
| Expanded or Introduced 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.
This small weedy plant can spread aggressively. The main source of its spread is through contaminated pasture seed. It also can colonize open woodlands, riparian areas, cropland, gardens, roadsides, and other disturbed ground. It has expanded slightly beyond its native range in Florida but it is uncommon and spotty in most of this range, perhaps because of its preference for climates with pronounced wet and dry seasons, conditions mostly limited to Florida.
