Limnodea

{{Short description|Genus of flowering plants}}

{{Speciesbox

| name = Ozark grass

| image =

| display_parents = 4

| genus = Limnodea

| parent_authority = L.H.Dewey

| species = arkanasana

| authority = (Nutt.) L.H.Dewey

| synonyms_ref =

| synonyms =

• Greenia Nutt. 1837, illegitimate homonym not S. Wallman 1791
• Sclerachne Torr. ex Trin. 1841, illegitimate homonym not R. Br. 1838
• Thurberia Benth. 1881, illegitimate homonym not A. Gray 1854
• Greenia arkansana Nutt.
• Limnas arkansana (Nutt.) Trin. ex Steud.
• Sclerachne arkansana (Nutt.) Torr. ex Trin.
• Thurberia arkansana (Nutt.) Benth. ex Vasey
• Cinna arkansana (Nutt.) G.C.Tucker
• Sclerachne pilosa Trin.
• Limnas pilosa (Trin.) Steud.
• Muhlenbergia hirtula Steud.
• Stipa demissa Steud.
• Thurberia pilosa (Trin.) Vasey
• Limnodea arkansana var. pilosa (Trin.) Scribn.

}}

Limnodea, with the common name Ozark grass,[http://plants.usda.gov/plant-profile?symbol=LIAR US Department of Agriculture plant profile, Limnodea arkansana (Nutt.) L.H. Dewey, Ozark grass] is a genus of North American plants in the grass family.[https://www.biodiversitylibrary.org/page/35957847#page/164/mode/1up Nuttall, Thomas. 1835. Transactions of the American Philosophical Society, new series 5(6[1]): 142–143] generic description in Latin, specific description and commentary in English[https://www.biodiversitylibrary.org/page/363672#page/543/mode/1up Dewey, Lyster Hoxie. 1894. Contributions from the United States National Herbarium 2(3): 518] in English[https://www.biodiversitylibrary.org/page/228880#page/65/mode/1up Bentham, George. 1881. Journal of the Linnean Society, Botany 19: 58] in English[http://www.kew.org/data/grasses-db/www/gen00346.htm Grassbase - The World Online Grass Flora] The type species is Greenia arkansana Nutt..[http://www.iapt-taxon.org/nomen/main.php?page=art7 International Code of Nomenclature for algae, fungi, and plants (Melbourne Code)] see § 7.3

The only known species of the annual bunchgrass is Limnodea arkansana.