| Xerodraba lycopodioides contracta (Speg.) O.E.Schulz | Xerodraba lycopodioides (Speg.) Skottsb. |
| Xerodraba mendocinensis Hauman | Lithodraba mendocinensis (Hauman) Boelcke |
| Xerodraba pectinata (Gilg & Muschl.) Skottsb. | Xerodraba lycopodioides (Speg.) Skottsb. |