Ischaemum  Ischaemum is a genus of plants in the grass family, widespread in tropical and semitropical regions in many countries. Many species are known commonly as murainagrass.  numerous species now regarded as better suited to other genera: "Andropogon, Andropterum, Apocopis, Arundinella, Bothriochloa, Coelorachis, Crypsis, Echinochloa, Eremochloa, Eulaliopsis, Kerriochloa, Lasiurus, Manisuris, Microstegium, Phacelurus, Pogonatherum, Polytrias, Rhytachne, Rottboellia, Sehima, Stenotaphrum, Thuarea, Triplopogon, Tripsacum, Vossia"