Ranunculus circinatus var. subrigidus (W.B. Drew) L.D. Benson

Ranunculus circinatus var. subrigidus (W.B. Drew) L.D. Benson is a synonym sensu Wiegleb et al., 2017 of:

Ranunculus subrigidus W.B. Drew, an accepted species name sensu Wiegleb et al., 2017.