The spruces can be recognized
as a genus by the sharp pointed needles, nearly square in
cross-section (not strongly flattened) and attached to the
twigs by sterigmata.
The terminal branches of mature trees of Picea abies
often hang down giving them a distinctive appearance which
together with the very large cones make this an easily recognized
species. Smaller trees without cones may be mistaken for
Picea abies is native
to Eurasia. It is planted in Wisconsin, mostly around homes
and it occasionally escapes to adjacent sites. It escapes
more frequently than is indicated by the map, but is not
a problem species.