Bryopsidales, Bryopsidaceae
Bryopsis plumosa (Hudson) C. Agardh
 

In natural habitat.
 
Photo Data
- Place
- : Samui Island, Surat Thani.
- Depth
- : 4.0 m
This species also has feather-like features, similar to 
B. pennata var. secunda. However the ends of the main 
axes are straight. The plants are found on rocks and 
gravel in 
subtidal zones along moderately wave exposed shorelines.
 

Fresh specimen.
 

Microscopic view of main axis and branchlets.