Some SEM images can be found in my collection of micrographs of bacterial species:

https://cz.pinterest.com/martinklvana/bacteria

https://www.researchgate.net/project/BACTERIA

I am in need of Bifidobacteria.

Ma'am do you have the image

Bifidobacterium bombi

Bifidobacterium actinocoloniiforme

Bifidobacterium bohemicum

Bifidobacterium lemurum

Bifidobacterium aesculapii

https://cz.pinterest.com/martinklvana/bacteria/

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Or look directly into papers that describe bifidobacteria . . . (There are at least 56 species of the genus Bifidobacterium.)

Thanks a lot Mam.

Madam I have searched the data but I found images in which most of the bacteria cells are touching or overlapping.

Do you have a set where cells are not touching each other.