This name is a synonym of Lepidocaryum tenue var. casiquiarense (Spruce) A.J.Hend..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 110817) with original publication details: Fl. Bras. 3(2): 300 1881.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:667797-1.
This name was in version 1 of The Plant List, record kew-110817, and has not been changed.