| Benthamantha fruticosa Rose, 1906 |
| Benthamantha glabella (A. Gray) Rydb., 1924 |
| Benthamantha grayi (A. Gray) Alef., 1862 |
| Benthamantha grayi var. glabella (A. Gray) Britton & Baker, 1900 |
| Benthamantha greenmanii (Millsp.) Britton & Baker f., 1900 |
| Benthamantha microphylla Rydb., 1924 |
| Benthamantha mollis (Kunth) Alef., 1862 |
| Benthamantha painteri Rydb., 1924 |
| Benthamantha pumila Rose, 1906 |
| Benthamantha robusta Rydb., 1924 |
| Benthamantha sericea (A. Gray) Britton & Baker, 1900 |
| Benthamantha trifoliolata Rydb., 1924 |
| Benthamantha tuberosa Brandegee, 1913 |
| Binaria Raf., 1838 |
| Binaria angulosa (Vogel) A. Schmitz, 1973 |
| Binaria herrerae (Britton & Rose) A. Schmitz, 1973 |
| Boenninghausenia Rchb. ex Meisn., 1837 |
| Boenninghausenia vincentina (Ker Gawl.) Spreng., 1826 |
| Brachyphragma Rydb., 1929 |
| Brachyphragma circumdatum (Greene) Rydb., 1929 |