Acrochaete

{{Short description|Genus of algae}}

{{Automatic taxobox

| image = Acrochaete repens in tissues of Agarum turneri.jpg

| image_caption = Acrochaete repens filaments in tissues of kelp Agarum turneri

| taxon = Acrochaete

| authority = N.Pringsheim

| subdivision_ranks = Species

| subdivision =

• Acrochaete endozoica
• Acrochaete heteroclada
• Acrochaete leptochaete
• Acrochaete operculata
• Acrochaete repens
• Acrochaete viridis

}}

Acrochaete is a genus of marine green algae of the family Ulvellaceae known to live as endoparasites of other algae, although they may eventually be found growing on inorganic substrates, such as rocks.{{cite journal | last1 = Correa | first1 = Jun A. | last2 = Nielsen | first2 = Ruth | last3 = Grund | first3 = Darryl W. | title = Endophytic alge of Chondrus cripus (Rhodophyta). II. Acrochaete heteroclada sp. nov., A. operculata sp. nov.., and Phaeophila dendroides (Chlorophuta) | journal = Journal of Phycology | volume = 24 | issue = 4 | year = 1988 | pages = 528–539 | issn = 0022-3646 | doi = 10.1111/j.1529-8817.1988.tb04258.x| s2cid = 84989237 }}{{cite journal | last1 = Rinkel | first1 = Barbara E. | last2 = Hayes | first2 = Paul | last3 = Gueidan | first3 = Cécile | last4 = Brodie | first4 = Juliet | title = A molecular phylogeny of Acrochaete and other endophytic green algae (Ulvales, Chlorophyta) | journal = Journal of Phycology | volume = 48 | issue = 4 | year = 2012 | pages = 1020–1027 | issn = 0022-3646 | doi = 10.1111/j.1529-8817.2012.01196.x| pmid = 27009012 | s2cid = 46413131 }}