This name is a synonym of Pinus montezumae var. gordoniana (Hartw. ex Gordon) Silba.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 379883) with original publication details: J. Hort. Soc. London 2: 79 1847.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:314937-2.
This name was in version 1 of The Plant List, record kew-2562010.