Pyrrocoma racemosa (Nuttall) Torrey & A. Gray var. paniculata (Nuttall) Kartesz & Gandhi [family COMPOSITAE], Phytologia, 71: 610. 1991
Homopappus paniculatus Nuttall [family ], Trans. Amer. Philos. Soc., n. s., 7: 331. 1840
Haplopappus paniculatus (Nuttall) A. Gray var. virgatus A. Gray [family COMPOSITAE]
Haplopappus racemosus (Nuttall) Torrey subsp. brachycephalus (A. Nelson) H. M. Hall [family COMPOSITAE]
Haplopappus racemosus subsp. duriuscula (Greene) H. M. Hall [family COMPOSITAE]
Haplopappus racemosus subsp. glomeratus (Nuttall) H. M. Hall [family COMPOSITAE]
Haplopappus racemosus var. glomerellus A. Gray [family COMPOSITAE]
Haplopappus racemosus subsp. halophilus (Greene) H. M. Hall [family COMPOSITAE]
Haplopappus racemosus subsp. prionophyllus (Greene) H. M. Hall [family COMPOSITAE]
Haplopappus racemosus var. prionophyllus (Greene) S. L. Welsh [family COMPOSITAE]