| Subject | Italian | English |
| forestr. | picea canadese | single spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
| forestr. | picea canadese | white spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
| forestr. | picea canadese | Eastern Canadian spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
| forestr. | picea del Canada | single spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
| forestr. | picea del Canada | white spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
| forestr. | picea del Canada | Eastern Canadian spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) |
