| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel, 1866 - plants |
| divisio | Pinophyta - conifers |
| class | Pinopsida |
| subclass | Pinidae |
| order | Pinales Dumortier |
| family | Pinaceae Lindl. |
| subfamily | Laricoideae (Rendle) Pilger & Melchior |
| genus | Pseudotsuga Carrére - Douglas-fir |
| species | Pseudotsuga menziesii (Mirbel) Franco - Douglas-fir |
| subspecies | Pseudotsuga menziesii subsp. menziesii (Mirbel) Franco - Coastal Douglas-fir |