Sphenophyllum

Sphenophyllum is a genus in the order Sphenophyllales. It has been placed in the family Sphenophyllaceae.

==Species== Species that have been described include: †Sphenophyllum angustifolium †Sphenophyllum biarmicum Zalessky (1937) †Sphenophyllum changxingense †Sphenophyllum churulianum Ashw. K. Srivast. & Rigby (1963) †Sphenophyllum costae †Sphenophyllum crenulatumAshw. K. Srivast. & Rigby (1963) †Sphenophyllum cuneifolium (Sternb.) Zeiller (1878) †Sphenophyllum elongatum Rassk. (1961) †Sphenophyllum emarginatum Brongn. (1822) (type species) †Sphenophyllum fanwanense †Sphenophyllum gilmorei C.D. White (1929) †Sphenophyllum gondwanensis †Sphenophyllum guangzhuoense, nomen nudum †Sphenophyllum koboense †Sphenophyllum latifolium Fontaine & I.C. White (1880) †Sphenophyllum longifolium (Germar) Gutbier (1843) †Sphenophyllum lungtanense †Sphenophyllum majus Bronn (1834) †Sphenophyllum miravallis Vetter †Sphenophyllum oblongifolium (Germar) Unger (1850) †Sphenophyllum paranaense O. Rösler & Rohn (1984) †Sphenophyllum pseudotenerrimum Sze (1936) †Sphenophyllum radiatum Unger (1850) †Sphenophyllum rhodesii †Sphenophyllum rotundatum T. Halle (1927) †Sphenophyllum schlotheimii Brongn. (1828) †Sphenophyllum sino-coreanum H. Yabe (1922) †Sphenophyllum stoukenbergi Schmalh. (1887) †Sphenophyllum subtenerrimum Nath. (1902) †Sphenophyllum tenuifolium Fontaine & I.C. White (1880) †Sphenophyllum thonii Mahr (1868) †Sphenophyllum utkalensis †Sphenophyllum verticillatum †Sphenophyllum zwickaviense