This name is a synonym of Peperomia rotundifolia (L.) Kunth.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25004198) with original publication details: Prodr. 16(1): 421 1869.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189224-2.
This name was in version 1 of The Plant List, record tro-25004198.