This name is a synonym of Salix lasiandra Benth..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50295834) with original publication details: Willows Calif. 84 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:225935-2.
This name was in version 1 of The Plant List, record tro-50295834.