''Arthrothamnus'' is a genus of
brown alga
Brown algae (: alga) are a large group of multicellular algae comprising the class Phaeophyceae. They include many seaweeds located in colder waters of the Northern Hemisphere. Brown algae are the major seaweeds of the temperate and polar reg ...
comprising approximately 2 species. It includes the algae commonly known as nekoashi-kombu, oarweed and chishima-nekoashi-kombu. ''Bifurcariopsis'' reproduces by means of
conceptacles; it produces tetraspores and dispores and
carpospores.
Species
The two species currently recognised are ''
Arthrothamnus bifidus'' and ''
Arthrothamnus kurilensis''.
References
*
Laminariaceae
Laminariales genera
{{phaeophyceae-stub