Genus Gelidium

Portion of sporophytic plant showing branching pattern (in aquarium). The plant taken from a speciament cast ashore (Yellow Sea, Qingdao City, China, October 2008). Inset: habit (Japan, Amakusa Island. April 2013.

1. Fragment with tetrasporangial branchlets. 2. Transverse section. 3. Habit (Wenchang, Hainan Island, China), March 2012).

1. Habit. 2. Fragment. 3. Upper subtidal (Amakusa Island, Japan). April 2013.

1. Habit. 2. Part of transverse section of the plant. 3. In the subtidal zone on rocky substratum (Amakusa Island, Japan). April 2013.

Low intertidal at fringing coral reef of Sesoko Island (Okinawa, Japan), April 2003.