This name is a synonym of Isoetes novo-granadensis H.P. Fuchs.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50064767) with original publication details: Mutisia 43: 5 1977.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:130501-2.
This name was in version 1 of The Plant List, record tro-50064767, and has not been changed.