I think looks different to me as per images at
https://commons.wikimedia.org/wiki/Category:Betula_kenaica
https://en.wikipedia.org/wiki/Betula_kenaica
https://myplantin.com/plant/5092
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:32197-2

Can it be B.nigra as per
https://www.eattheweeds.com/tag/betula-kenaica/
https://en.wikipedia.org/wiki/Betula_nigra
https://hort.extension.wisc.edu/articles/river-birch-betula-nigra/



On Wed, 3 May 2023 at 02:45, Gurcharan Singh <[email protected]> wrote:

> Betula kenaica W H Evans
> Syn:  *B*. *papyrifera* Marshall var. *kenaica* (W. H. Evans) A. Henry
> Though treated as synonym of B. papyrifera by major databases, is treated
> as distinct species by Flora of North America. It differs from B.
> papyrifera Marshall in often pinkish to grayish white bark, smaller leaves
> 4-5 cm long (5-9 cm in B. papyrifera), less pointed leaf tip and more or
> less regularly serrate leaves.
>     Photographed from Fremont, California.
>
>
>
>
> Dr. Gurcharan Singh
> Retired  Associate Professor
> SGTB Khalsa College, University of Delhi, Delhi-110007
> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
> https://www.gurcharanfamily.com/
>
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-- 
With regards,
J.M.Garg

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