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Flatspine Bursage
Ambrosia acanthicarpa
Ambrosia acanthicarpa is a North American species of bristly annual plants in the sunflower family. Members of the Ambrosia genus are called ragweeds. The species has common names including flatspine bur ragweed, Hooker's bur-ragweed, annual burrweed, and annual bur-sage, and western sand-bur. The plant is common across much of the western United States and in the 3 Prairie Provinces of Canada.
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Ambrosia acanthicarpa in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 57909.