Alice Hedensjo le 03/08/22
Forms cotton-like mats on a rocky pier.
Depth observed 0-6 m.
I was guessing it might be Womersleyella setacea or Polysiphonia spp.?
Any suggestions?
Merci
Marc VERLAQUE le 09/08/22
No it's Jania virgata (Zanardini) Montagne, a calcified red alga.