A) Aspect général d’un thalle.
B, C, D) Stade “Chantransia” (microscope).
E, F, G, H) Forme développée (microscope).
I, J, K) Habitat & site de collection (= source du lavoir municipal de la commune d'Orly).
Could it be Batrachospermum gelatinosum?
A water sample was taken from the shore of pond channel in Tauride Garden. The sample had been in room temperature storage until assayed after few hours.