WAC 16-750-015:

WACs > Title 16 > Chapter 16-750 > Section 16-750-015

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16-750-011 << 16-750-015 >> 16-750-020

PDFWAC 16-750-015

State noxious weed list—Class C noxious weeds.

Common Name	Scientific Name
absinth wormwood	Artemisia absinthium
Austrian fieldcress	Rorippa austriaca
babysbreath	Gypsophila paniculata
beach grass, European, American, and hybrids	Ammophila arenaria, A. breviligulata, and A. arenaria x breviligulata
black henbane	Hyoscyamus niger
blackberry, evergreen	Rubus laciniatus
blackberry, Himalayan	Rubus bifrons
blackgrass	Alopecurus myosuroides
buffalobur	Solanum rostratum
cereal rye	Secale cereale
common barberry	Berberis vulgaris
common catsear	Hypochaeris radicata
common groundsel	Senecio vulgaris
common St. Johnswort	Hypericum perforatum
common teasel	Dipsacus fullonum
curly-leaf pondweed	Potamogeton crispus
English hawthorn	Crataegus monogyna
English ivy 4 cultivars only:	Hedera hibernica 'Hibernica'
	Hedera helix 'Baltica'
	Hedera helix 'Pittsburgh'
	Hedera helix 'Star'
Eurasian watermilfoil hybrid	Myriophyllum spicatum x M. sibiricum
field bindweed	Convolvulus arvensis
fragrant water lily	Nymphaea odorata
green alkanet	Pentaglottis sempervirens
hairy whitetop	Lepidium appelianum
hoary cress	Lepidium draba
Italian arum	Arum italicum
Japanese eelgrass	Nanozostera japonica
jointed goatgrass	Aegilops cylindrica
jubata grass	Cortaderia jubata
lawnweed	Soliva sessilis
longspine sandbur	Cenchrus longispinus
Medusahead	Taeniatherum caput-medusae
nonnative cattail species and hybrids	Including, but not limited to, Typha angustifolia, T. domingensis and T. x glauca
old man's beard	Clematis vitalba
oxeye daisy	Leucanthemum vulgare
pampas grass	Cortaderia selloana
perennial sowthistle	Sonchus arvensis ssp. arvensis
reed canarygrass	Phalaris arundinacea
Russian olive	Elaeagnus angustifolia
scentless mayweed	Tripleurospermum inodorum
smoothseed alfalfa dodder	Cuscuta approximata
spikeweed	Centromadia pungens
spiny cocklebur	Xanthium spinosum
spotted jewelweed	Impatiens capensis
Swainsonpea	Sphaerophysa salsula
thistle, bull	Cirsium vulgare
thistle, Canada	Cirsium arvense
tree-of-heaven	Ailanthus altissima
ventenata	Ventenata dubia
white cockle	Silene latifolia
wild carrot (except subs. sativus where grown commercially or for food)	Daucus carota
yellow flag iris	Iris pseudacorus
yellow toadflax	Linaria vulgaris

[Statutory Authority: Chapters 17.10 and 34.05 RCW. WSR 23-23-168, § 16-750-015, filed 11/21/23, effective 1/1/24; WSR 22-01-040, § 16-750-015, filed 12/7/21, effective 1/1/22; WSR 20-24-098, § 16-750-015, filed 11/30/20, effective 1/1/21; WSR 17-24-035, § 16-750-015, filed 11/29/17, effective 1/1/18; WSR 15-24-078, § 16-750-015, filed 11/30/15, effective 12/31/15; WSR 14-24-103, § 16-750-015, filed 12/2/14, effective 1/2/15; WSR 14-02-072, § 16-750-015, filed 12/30/13, effective 1/30/14; WSR 13-01-038, § 16-750-015, filed 12/12/12, effective 1/12/13; WSR 12-01-050, § 16-750-015, filed 12/15/11, effective 1/15/12; WSR 10-24-037, § 16-750-015, filed 11/22/10, effective 12/23/10; WSR 09-01-071, § 16-750-015, filed 12/15/08, effective 1/16/09; WSR 07-24-023, § 16-750-015, filed 11/28/07, effective 1/1/08; WSR 06-24-056, § 16-750-015, filed 12/4/06, effective 1/4/07; WSR 05-01-012, § 16-750-015, filed 12/2/04, effective 1/2/05. Statutory Authority: Chapter 17.10 RCW. WSR 04-13-014, § 16-750-015, filed 6/4/04, effective 7/5/04. Statutory Authority: Chapters 17.10 and 34.05 RCW. WSR 03-24-012, § 16-750-015, filed 11/20/03, effective 12/21/03; WSR 03-04-001, § 16-750-015, filed 1/22/03, effective 2/22/03. Statutory Authority: Chapter 17.10 RCW. WSR 01-24-035, § 16-750-015, filed 11/28/01, effective 12/29/01; WSR 00-24-017, § 16-750-015, filed 11/28/00, effective 1/2/01; WSR 99-24-029, § 16-750-015, filed 11/23/99, effective 1/3/00; WSR 98-24-026, § 16-750-015, filed 11/23/98, effective 1/2/99; WSR 97-06-108, § 16-750-015, filed 3/5/97, effective 4/5/97. Statutory Authority: RCW 17.10.080. WSR 96-06-030, § 16-750-015, filed 2/29/96, effective 3/31/96. Statutory Authority: Chapter 17.10 RCW. WSR 95-06-002, § 16-750-015, filed 2/16/95, effective 3/19/95; WSR 94-01-076, § 16-750-015, filed 12/10/93, effective 1/10/94; WSR 93-01-004, § 16-750-015, filed 12/2/92, effective 1/2/93; WSR 91-24-072, § 16-750-015, filed 12/2/91, effective 1/2/92; WSR 91-01-016, § 16-750-015, filed 12/7/90, effective 1/7/91; WSR 90-01-004, § 16-750-015, filed 12/7/89, effective 1/7/90; WSR 88-24-002 (Order 26, Resolution No. 26), § 16-750-015, filed 11/29/88. Statutory Authority: RCW 17.10.080. WSR 88-07-016 (Order 22, Resolution No. 22), § 16-750-015, filed 3/7/88.]