On Salix and Sarothamnus in ruderal conditions.

Belgium: Mar.: RRR, Camp.: RRR, Mosan: R, Ard.: RR.

Luxembourg: Ard.: RRR.

France: Mar.: RRR.

The distinction between this species and S. sarothamni requires further studies.

Lit.: Boul.: 73, NL84: 17, NL92: 163-164, van den Boom & Sérusiaux (1996: 22).