⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Salix interior in version 1.1 of The Plant List.
This name is a synonym of Salix exigua f. wheeleri .
The record derives from Tropicos which reports it as a synonym (record 28300452
) with original publication details: Bull. Torrey Bot. Club 27(5): 253-254, pl. 9, f. 14 253 1900.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:225916-2
.