Taxonomy: All Listings 

1. Upper portion of old plant with receptacles. 2. Habit. 3. On dead corals in upper subtidal (Con Dao Islands, Vietnam). April 2008.

1, 2. Plants in upper subtidal at fringing coral reef of An Thoi Islands (Vietnam), March 2009.

1. Habit. 2. Low intertidal (Son Hai, Ninh Thuan Province, Vietnam), March 2006.

Habit. Photo kindly given by M.V. Sukhoveeva (plant collected in the Okhotsk Sea, Russia).

1. Habit (Peter the Great Bay, the Sea of Japan, Russia). August 2013.

1. Surface view of cells. 2, 3. Monostroma growing on fossil coral reef in the upper intertidal zone exposed to air at low tide (Sesoko Island, Okinawa, Japan). March 2003.

1. Fragment of plant. 2. Сells from surface view. 3. Turf-forming alga in the middle intertidal zone, Hainan, China, April 2009.

1. Habit. 2. Surface view of cells. 3. Transverse section. 4. On intertidal cement blocks (Xom Con, Nha Trang city, Vietnam). March 2007.

1. Habit. 2. Surface view of cells. 3. Cell wall of hollow thallus in transverse section. 4 Intertidal (Kai River estuary, Nha Trang City, Vietnam). March 2007.

1. Surface view of cells. 2. Transverse section of blade. 3. Habit. 4. Intertidal (Sesoko Island, Okinawa, Japan), December 2002. Inset: long strap-like blades overgrowing pier wall (overhanging at low tide).

1. Habit. 2. Surface view of cells. 3. Free floating masses (O Lan Lagoon, Vietnam). March 2009.

Low intertidal. Inset: habit (Peter the Great Bay, the Sea of Japan, Russia). August 2010.

On low intertidal boulders, Peter the Great Bay, the Sea of Japan, Russia. August 2012.

1. Habit. 2. Surface view of cells. 3. Transverse section of blade. 4. Upper and middle intertidal (Sesoko Island, Okinawa, Japan). April 2003.

1. Fragment. 2. Surface view of cells. 3. Transverse section. 4. Plants densely overgrowing rope of lobster farm construction (Mot Island, Nha Trang Bay, Vietnam). April 2007.

Surface view of cells. Inset: Habit, epiphytic on Phyllodictyon anastomosans stalk (Hainan Island, China). April 2012.

1. Habit. 2. Fragment of filament showing dividing cells. 3. Pile overgrown mostly by Chaetomorpha antennina, the upper intertidal zone at low tide (Nha Trang City, Vietnam). April 2007.

1. Fragment showing barrel-shaped cells. 2. Secondary finger-like attachments. 3. Basal portion of filament with rhizoids. 4. Middle intertidal exposed to air at low tide (Sesoko Island, Okinawa, Japan). April 2005.

1. Filaments. 2. Filament showing dividing cells with thick wall. 3. C. javanica tangled with Cladophora socialis and Chaetomorpha linum, forming extensive floating masses on the surface of O Lan Lagoon (Vietnam), April 2006.

1, 2. Filament structure. 3. Intertwined filaments masses in intertidal pool (Sesoko Island, Okinawa, Japan). May 2005.