| Name | Echinochloa pungens var. microstachya (Wiegand) Fernald & Griscom |
| Authorship | (Wiegand) Fernald & Griscom |
| Rank | Variety |
| Placed in | Echinochloa pungens (Poiret) Rydberg |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Echinochloa pungens var. microstachya (Wiegand) Fernald & Griscom |
| Identification made in | [no date] (1), 1969 (3) |