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Western Ragweed
Ambrosia psilostachya
In the United States:
Native
· also called perennial ragweed, Cuman ragweed
Wind-pollinated perennial herb of disturbed sites that offers minimal nectar but occasional late-season pollen collection by honey bees. Blooms late summer into fall in full sun on a range of soils.
| Nectar | low |
|---|---|
| Pollen | low |
| Bloom (US) | July–October |
| Type | Perennial |
| Sun | full |
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