These looks a bit better:
https://northwestmeadowscapes.com/collections/frontpage/products/native-pollinator-seed-mix (states that they are 100% native seeds)
Annual Wildflowers 29%
Douglas Meadowfoam (Limnanthes douglasii), Large Flower Collomia (Collomia grandiflora), Globe Gilia (Gilia capitata), Farewell to Spring (Clarkia amoena), Wine Cup Clarkia (Clarkia purpurea), Diamond Clarkia (Clarkia rhomboidea), Sea Blush (Plectritis congesta), Bicolor Lupine (Lupinus bicolor)
Perennial Wildflowers 39%
Springbank Clover (Trifolium wormskioldii), Douglas aster (Symphyotrichum subspicatum), Self Heal (Prunella vulgaris), Western Yarrow (Achillea millefolium), Large Camas (Camassia leichtinii), Puget Sound Gumweed (Grindelia integrifolia), Canada Goldenrod (Solidago canadensis), Riverbank Lupine (Lupinus rivularis), Common Camas (Camassia quamash), Bigleaf Lupine (Lupinus polyphyllus), Meadow Checkermallow (Sidalcea campestris), Meriwhether Blanketflower (Gaillardia aristata 'Meriwhether'), Western Columbine (Aquilegia formosa), Prairie Cinquefoil (Potentilla gracilis)
Grasses 32%
Prairie Junegrass (Koeleria macrantha), Roemer’s Fescue (Festuca romerii), Tufted Hairgrass (Deschampsia ceaspitosa), Meadow Barley (Horedum brachyantherum)
https://www.americanmeadows.com/wildflower-seeds/pacific-northwest/native-pacific-northwest-wildflower-seed-mix Also says it's 100% native...
Achillea millefolium var California California Yarrow
Clarkia amoena Godetia
Clarkia unguiculata Farewell-to-Spring
Collinsia heterophylla Chinese Houses
Coreopsis tinctoria Plains Coreopsis
Eschscholzia californica California Poppy
Gilia capitata Globe Gilia
Gilia tricolor Bird's Eyes
Layia platyglossa Tidy Tips
Linanthus grandiflorus Mountain Phlox
Linum perenne lewisii Blue Flax
Lupinus albicaulis Sickle-keeled Lupine
Lupinus polyphyllus Russell Lupine
Mertzelia lindleyi Blazing Star
Nemophila maculata Five Spot
Nemophila menziesii Baby Blue Eyes
Oenothera hookeri Evening Primrose
Phacelia campanularia California Bluebell