Genus Grateloupia

1. Habit. 2. In habitat on boulder (Peter the Great Bay, the Sea of Japan, Russia). August 2011.

1. Branches with distichous branchlets. 2. Transverse section showing cortical layer and medulla. 3. Transverse section showing mature cystocarp. 4. Natural habitat (Vietnam, Nha Trang Bay), April 2006. Cement blocks overgrowing with G. asiatica at low ti ...

1. Habit. 2. Fragment showing laterals. 3. Natural habitat, subtidal (Peter the Great Bay, the Sea of Japan, Russia). August 2011.

1. Habit (Dalian, China, October 2008). 2. Part of transverse section. 3. In habitat, upper subtidal (Busan, South Korea). February 2015.

1. Branching pattern. 2. Transverse section. 3. Transverse section: cortical layer. 4. Habitat, on cement blocks (Nha Тrang City, Vietnam). April 2006. Inset: Habit.

1. Habit. 2. Transverse section. 3. Low intertidal (Amakusa, Japan). April 2013.

Habit (in aquarium), collected in the vicinity of Danang Vicinity (Vietnam). April 2007.

1. Habit. 2-4. Transverse sections through sterile plant (2); tetrasporangia (3) and cystocarp. (4). 5. In aquarium. 6. On cement blocks at low tide (Nha Trang Bay, Vietnam). Aprl 2006.

1. Habit. 2. Upper subtidal (2 m deep) (Peter the Great Bay, the Sea of Japan, Russia). August 2011.