Not an accepted name (status: doubtful).
The accepted name is
Rumicastrum monogynum (Poelln.) Carolin, 2020.
Calandrinia monogyna
Poelln., 1934
2% complete
No common name
Repert. Spec. Nov. Regni Veg. 25: 163 (1934)
There is no corrections for Calandrinia monogyna yet.