Mesotaenium

{{Short description|Genus of algae}}

{{Automatic taxobox

| image = Mesotaenium macrococcum 30470440.jpg

| image_caption = Mesotaenium macrococcum in New Zealand

| taxon = Mesotaenium

| authority = Nägeli, 1849

}}

Mesotaenium is a genus of algae belonging to the family Mesotaeniaceae.{{cite web |title=Mesotaenium Nägeli, 1849 |url=https://www.gbif.org/species/2646693 |website=www.gbif.org |access-date=30 April 2021 |language=en}}

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

Species:{{AlgaeBase|title=Mesotaenium Nägeli, 1849 |id=6843 |access-date=11 March 2025}}

• Mesotaenium aplanosporum {{small|C.E.Taft}}
• Mesotaenium berggrenii {{small|(Wittrock) Lagerheim}}
• Mesotaenium caldariorum {{small|(Lagerheim) Hansgirg}}
• Mesotaenium chlamydosporum {{small|de Bary}}
• Mesotaenium degreyi {{small|W.B.Turner}}
• Mesotaenium dodekahedron {{small|Geitler}}
• Mesotaenium endlicherianum {{small|Nägeli}}
• Mesotaenium fusisporum {{small|(P.L.Crouan & H.M.Crouan) De Toni}}
• Mesotaenium hansgirgii {{small|Schmidle}}
• Mesotaenium heimii {{small|Bourrelly}}
• Mesotaenium kramstae {{small|Lemmerm.}}
• Mesotaenium macrococcum {{small|(Kützing) J.Roy & Bisset}}
• Mesotaenium minimum {{small|J.A.Cushman}}
• Mesotaenium mirificum {{small|W.Archer}}
• Mesotaenium neglectum {{small|Reinhard}}
• Mesotaenium nivale {{small|Bek}}
• Mesotaenium obscurum {{small|Lagerh.}}
• Mesotaenium purpureum {{small|West & G.S.West}}
• Mesotaenium pyrenoidosum {{small|(P.A.Broady) Petlovany}}
• Mesotaenium truncatum {{small|West & G.S.West}}
• Mesotaenium turicense {{small|Huber-Pestalozzi}}
• Mesotaenium violascens {{small|De Bary}}