⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-19602396, with some changes.

Sida physocalyx A. Gray is a synonym of Rhynchosida physocalyx (A. Gray) Fryxell

This name is a synonym of Rhynchosida physocalyx (A. Gray) Fryxell.

The record derives from Tropicos which reports it as a synonym (record 19602396) with original publication details: Boston J. Nat. Hist. 6(2): 163-164 163 1850.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:564068-1.