Strasseria on Pinaceae in Canada

Strasseria geniculata (Berk. & Br.) Höhn. is described and illustrated for the first time from North America. The hosts, all in Pinaceae, are new records: Abies balsamea L., Picea glauca (Moench) Voss, Pinus resinosa Ait., and P. sylvestris L. Some comments on conidial formation are offered and 12 species of Strasseria on 11 host families are listed.