Disclosed on the label
Willamette
3 beers whose federal label filing names Willamette (1 Pale Ale · 1 Amber/Other Ale · 1 Lager), newest filings first. Every entry is here because the brewery printed the hop on the can, not because anyone guessed.
Twin PeaksThornbridge · 5%
PistachiosOff Color Brewing · 4.2%
Pulpit Rock PilsnerFreebridge Brewing · 4.3%Filed beside it
Hops these labels disclosed alongside Willamette.