- Melanoplus flavescens Scudder, 1897: 155-156.
Holotype; male; USNM 1146; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); United States
- Melanoplus flavescens Scudder, 1897 in Scudder & Cockerell, 1902: 43.
- Melanoplus herbaceus Bruner, 1893 in Scudder & Cockerell, 1902: 43.
- Melanoplus brownii Caudell, 1902: 169.
- Melanoplus brownii Caudell, 1902 in Caudell, 1903: 164.
- Melanoplus herbaceus Bruner, 1893 in Rehn, 1904: 571.
- Melanoplus brownii Caudell, 1902 in Rehn, 1907: 73.
- Melanoplus browni Caudell, 1902 in Bruner, 1908: 319.
- Melanoplus flavescens Scudder, 1897 in Bruner, 1908: 319.
- Melanoplus herbaceus Bruner, 1893 in Bruner, 1908: 319.
- Melanoplus brownii Caudell, 1902 in Rehn & Hebard, 1908: 395.
- Melanoplus herbaceus Bruner, 1893 in Rehn & Hebard, 1908: 395.
- Melanoplus herbaceus Bruner, 1893 in Rehn & Hebard, 1909: 162.
- Melanoplus flavescens Scudder, 1897 (synonym of Melanoplus herbaceus Bruner, 1893) in Rehn & Hebard, 1909: 163.
- Melanoplus herbaceus Bruner, 1893 in Rehn & Hebard, 1909: 466.
- Melanoplus brownii Caudell, 1902 in Caudell & Hebard, 1912: 162.
- Melanoplus flavescens Scudder, 1897 in Rehn & Hebard, 1912: 78.
- Melanoplus herbaceus Bruner, 1893 in Rehn & Hebard, 1912: 127.
- Melanoplus herbaceus Bruner, 1893 in Rockwood, 1925: 37.
- Melanoplus herbaceus Bruner, 1893 in Hebard, 1935: 305.
- Melanoplus brownii Caudell, 1902 (synonym of Melanoplus herbaceus Bruner, 1893) in Hebard, 1935: 305.
- Melanoplus flavescens Scudder, 1897 (synonym of Melanoplus herbaceus Bruner, 1893) in Hebard, 1935: 305.
- Melanoplus herbaceus Bruner, 1893 in Tinkham, 1948: 618.
- Melanoplus herbaceus Bruner, 1893 in Thompson & Buxton, 1964: 43.