Wash. Admin. Code § 16-750-005
| Common Name | Scientific Name |
| broom, French | Genista monspessulana |
| broom, Spanish | Spartium junceum |
| common crupina | Crupina vulgaris |
| cordgrass, common | Spartina anglica |
| cordgrass, dense-flowered | Spartina densiflora |
| cordgrass, salt meadow | Spartina patens |
| cordgrass, smooth | Spartina alterniflora |
| delta arrowhead | Sagittaria platyphylla |
| dyer's woad | Isatis tinctoria |
| eggleaf spurge | Euphorbia oblongata |
| false brome | Brachypodium sylvaticum |
| floating primrose-willow | Ludwigia peploides |
| flowering rush | Butomus umbellatus |
| garlic mustard | Alliaria petiolata |
| giant hogweed | Heracleum mantegazzianum |
| goatsrue | Galega officinalis |
| hydrilla | Hydrilla verticillata |
| Johnsongrass | Sorghum halepense |
| knapweed, bighead | Centaurea macrocephala |
| knapweed, Vochin | Centaurea nigrescens |
| kudzu | Pueraria montana var. lobata |
| meadow clary | Salvia pratensis |
| oriental clematis | Clematis orientalis |
| Palmer amaranth | Amaranthus palmeri |
| purple starthistle | Centaurea calcitrapa |
| reed sweetgrass | Glyceria maxima |
| ricefield bulrush | Schoenoplectus mucronatus |
| round leaf bittersweet | Celastrus orbiculatus |
| sage, clary | Salvia sclarea |
| sage, Mediterranean | Salvia aethiopis |
| silverleaf nightshade | Solanum elaeagnifolium |
| small-flowered jewelweed | Impatiens parviflora |
| South American spongeplant | Limnobium laevigatum |
| sunflower broomrape | Orobanche cumana |
| Syrian bean-caper | Zygophyllum fabago |
| Texas blueweed | Helianthus ciliaris |
| thistle, Italian | Carduus pycnocephalus |
| thistle, marsh | Cirsium palustre |
| thistle, milk | Silybum marianum |
| thistle, slenderflower | Carduus tenuiflorus |
| thistle, Turkish | Carduus cinereus |
| variable-leaf milfoil and hybrids | Myriophyllum heterophyllumMyriophyllumheterophyllum xMyriophyllum hippuroides |
| waterhemp | Amaranthus tuberculatus |
| wild four o'clock | Mirabilis nyctaginea |
[Statutory Authority: Chapters 17.10 and 34.05 RCW. WSR 26-08-059, s 16-750-005, filed 3/27/26, effective 4/27/26; WSR 25-24-076, s 16-750-005, filed 12/1/25, effective 1/1/26; WSR 24-23-085, s 16-750-005, filed 11/19/24, effective 1/1/25; WSR 23-23-168, § 16-750-005, filed 11/21/23, effective 1/1/24; WSR 20-24-098, § 16-750-005, filed 11/30/20, effective 1/1/21; WSR 19-24-052, § 16-750-005, filed 11/26/19, effective 1/1/20; WSR 17-24-035, § 16-750-005, filed 11/29/17, effective 1/1/18; WSR 16-24-031, § 16-750-005, filed 11/30/16, effective 1/1/17; WSR 14-24-103, § 16-750-005, filed 12/2/14, effective 1/2/15; WSR 14-02-072, § 16-750-005, filed 12/30/13, effective 1/30/14; WSR 13-01-038, § 16-750-005, filed 12/12/12, effective 1/12/13; WSR 12-01-050, § 16-750-005, filed 12/15/11, effective 1/15/12; WSR 09-01-071, § 16-750-005, filed 12/15/08, effective 1/16/09; WSR 07-24-023, § 16-750-005, filed 11/28/07, effective 1/1/08; WSR 05-24-026, § 16-750-005, filed 11/30/05, effective 12/31/05; WSR 03-04-001, § 16-750-005, filed 1/22/03, effective 2/22/03. Statutory Authority: Chapter 17.10 RCW. WSR 99-24-029, § 16-750-005, filed 11/23/99, effective 1/3/00; WSR 98-24-026, § 16-750-005, filed 11/23/98, effective 1/2/99; WSR 97-24-051, § 16-750-005, filed 11/26/97, effective 1/2/98. Statutory Authority: RCW 17.10.080. WSR 96-06-030, § 16-750-005, filed 2/29/96, effective 3/31/96. Statutory Authority: Chapter 17.10 RCW. WSR 93-01-004, § 16-750-005, filed 12/2/92, effective 1/2/93; WSR 91-24-072, § 16-750-005, filed 12/2/91, effective 1/2/92; WSR 91-01-016, § 16-750-005, filed 12/7/90, effective 1/7/91; WSR 90-01-004, § 16-750-005, filed 12/7/89, effective 1/7/90; WSR 88-24-002 (Order 26, Resolution No. 26), § 16-750-005, filed 11/29/88. Statutory Authority: RCW 17.10.080. WSR 88-07-016 (Order 22, Resolution No. 22), § 16-750-005, filed 3/7/88.]