Riccia cavernosa Hoffm. (familia Ricciaceae)
Риччия пещеристая
ru
Image of Riccia cavernosa specimen.
Слоевища на илистой отмели по берегу озера. Томск, дол. р. Томь. 09.10.2019.
Can you clarify or correct the identification? Do you have doubts or comments? Register, and you will be able to move the photo to the required taxon!
See also:

All photos in group