Bidens aequisquama (USA) ?

Bidens aequisquama (Fernald) Sherff, Bot. Gaz. 64 26 1917. (syn: Bidens aequisquama var. aequisquama ; Bidens rosea var. aequisquama Fernald);

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Asteraceae For ID : California : 10NOV14 : AK-23 : 8 posts by 3 authors. Attachments (2).
Cultivated, garden flowers seen at the Golden Gate Park in San Francisco on 30/9/14.
Pink flowers, Plants approx two feet tall.

coreopsis sp
wish you had better more detailed pictures
may be an endangered sp

Thanks … I will try searching further.

Could this plant be Bidens aequisquama?
Flowers look quite close.
Another post which was lying unid for more than two years.

Or Bidens rosea var. aequisquama?

Bidens aequisquama looks close but did not find distribution in California.

I guess the ID should be correct.
https://toptropicals.com/catalog/uid/bidens_aequisquama.htm
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:32283-2

https://www.flickr.com/photos/92252798@N07/9474319606/.

Thanks for your feedback.

I had suggested the same earlier.

Please check my earlier mail.

References:
The Plant List Ver.1.1 GCC IPNI GBIF (with type specimen) EOL Hortipedia

Updated on September 15, 2026

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