This name is a synonym of Chamaecyparis obtusa var. formosana (Hayata) Hayata.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 382843) with original publication details: Gard. Chron. III, 43: 194 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77067477-1.
This name was in version 1 of The Plant List, record kew-2715299.