. . . "* Caryochloa (Spreng. 1827, illegitimate homonym not Trin. 1826)" . . . . "* Podopogon (Raf., rejected name)" . . "* Urachne subg. Piptochaetium (J. Presl) Trin. & Rupr.)" . . . "Piptochaetium is a genus of New World plants in the grass family, native to North and South America."@en .