There are three varieties of this tall, fragrant native species, all with different spur or nectary lengths and probably different pollinators, therefore. The picture shows the variety with a spur about equal to the length of the lip, the two other varieties have spurs much shorter or longer than the lip. All three varieties can be seen at the link below.
Native Orchids of the Pacific Northwest and the Canadian Rockies: Three Varieties of the White Bog Orchid