Jerarquía taxonómica:
Cyperaceae → Fimbristylis dichotoma subsp. dichotoma (L.) Vahl, 1805

Familia:
Cyperaceae

Autor:
(L.) Vahl, 1805

Sinónimos:
Fimbristylis alamosana Fernald, 1901
Scirpus annuus All., 1785
Fimbristylis arenicola Wiggins, 1950
Fimbristylis baldwiniana (Schult.) Torr., 1836
Scirpus baldwinianus Schult., 1824
Fimbristylis brizoides Nees & Meyen, 1842
Fimbristylis darlingtoniana Pennell, 1933
Fimbristylis diphylla (Retz.) Vahl, 1806
Scirpus diphyllus Retz., 1789
Scirpus elliottii Spreng., 1827
Fimbristylis hirtella Vahl, 1805
Fimbristylis holwayana Fernald, 1901
Fimbristylis laxa Vahl, 1805
Iria polymorpha (Boeckeler) Kuntze, 1891
Fimbristylis polymorpha Boeckeler, 1869
Fimbristylis scherardii Bubani, 1850
Fimbristylis verrucosa J. Presl & C. Presl, 1828
Fimbristylis dichotoma f. annua (All.) Ohwi, 1938
Fimbristylis annua f. brizoides (Nees & Meyen) Kük., 1926
Fimbristylis diphylla subsp. diffusa D.B. Ward, 1968
Fimbristylis annua var. diphylla (Retz.) Kük., 1926