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Island Broom (Acmispon dendroideus (Greene) Brouillet)

Also classified as Lotus dendroideus (Greene) Greene.

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Range - Expand

Native 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.


Different sources alternately refer to this species as being endemic to the Channel Islands, and alternately, having a range extending onto the mainland and also into Mexico. We have not been able to explain these discrepancies. In particular we do not know whether this is a result of reclassification of mainland populations into this taxon, discovery of new populations, or introduction of this plant into new areas.

Lotus dendroideus (island broom) | USDA PLANTS Database (About This Site)

Island Broom | iNaturalist (About This Site)

Acmispon dendroideus | Biota of North America Project (BONAP) (About This Site)