Lychnothamnus

{{Short description|Genus of algae}}

{{Automatic taxobox

|image = Lychnothamnus barbatus 423056606.jpg

|image_caption = Lychnothamnus barbatus

|taxon = Lychnothamnus

|authority = (Ruprecht) A.Braun, 1856

}}

Lychnothamnus is a genus of stoneworts belonging to the family Characeae.{{cite web |title=Lychnothamnus (Ruprecht) A.Braun, 1856 |url=https://www.gbif.org/species/2637960 |website=www.gbif.org |access-date=1 March 2021 |language=en}}

The species of this genus are found in Europe, Australia and Northern America.

Species:

• Lychnothamnus barbatus (L.Meyen) Leonh., 1863