What is Yellow-green algae?
{{Automatic Taxobox | name = Yellow-green algae | image = Album général des Cryptogames, Pl. 20.jpg | image_caption = Examples of xanthophytes (repair the unequal flagella in the cells) | taxon = Xanthophyceae | authority = Allorge, 1930,<ref>{{cite journal | last1 = Allorge | first1 = P | year = 1930 | title = Heterocontées ou Xanthophycées? | journal = Rev. Alg. | volume = 5 | page = 230 }}</ref> emend. [[Felix Eugen Fritsch|Fritsch]], 1935<ref>Fritsch, F.E. (1935) ''The Structure and Reproduction of the Algae. Volume I. Introduction, Chlorophyceae, Xanthophyceae, Chrysophyceae, Bacillariophyceae, Cryptophyceae, Dinophyceae, Chloromonadineae, Euglenineae, Colourless Flagellata''. Cambridge University Press, Cambridge.{{page needed|date=October 2014}}</ref> | synonyms = * Heterokontae <small>Luther, 1899</small><ref>{{cite journal |last1=Lüther |first1=A. |year=1899 |title=Über Chlorosaccus eine neue Gattung der Süsswasseralgen |journal=Bihang Til Kongliga Svenska Vetenskaps-Akademiens Handlingar |volume=24 |pages=1–22 |oclc=178060545}}</ref> * Heterochloridia <small>Pascher, 1912</small> * Tribophyceae <small>Hibberd, 1981</small><ref>{{cite journal |first1=D. J. |last1=Hibberd |date=February 1981 |title=Notes on the taxonomy and nomenclature of the algal classes Eustigmatophyceae and Tribophyceae (synonym Xanthophyceae) |journal=Botanical Journal of the Linnean Society |volume=82 |issue=2 |pages=93–119 |doi=10.1111/j.1095-8339.1981.tb00954.x}}</ref> * Heteromonadida <small>Leedale, 1983</small><ref>{{cite book |last=Leedale |first=G.F. |year=1985 |chapter=Order 5, Heteromonadida Leedale, 1983 |pages=70– |editor1-first=John J. |editor1-last=Lee |editor2-first=Seymour Herbert |editor2-last=Hutner |editor3-first=Eugene C. |editor3-last=Bovee |title=An illustrated Guide to Protozoa |publisher=Society of Protozoologists |location=Lawrence, Kansas}}{{page needed|date=October 2014}}</ref> * Xanthophyta <small>Hibberd, 1990</small><ref>{{cite book |last1=Hiberd |first1=D. J. |year=1990 |chapter=Phylum Xanthophyta |ed