Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Marine macrophytes: (A) Ulva lactuca (green macroalgae); (B) Zostera noltii (seagrass); (C) Salicornia ramosissima (halophyte non-seagrass); (D) Aster tripolium (halophyte non-seagrass); and (E) Halimione portulacoides (halophyte non-seagrass). Images (A,C,D) by Ana I. Lillebø; (B) by Ana. I. Sousa; and (E) by Bruna Marques.
