WAC 16-301-050:

16-301-045 << 16-301-050 >> 16-301-055

PDFWAC 16-301-050

Restricted noxious weed seeds.

Restricted (secondary) noxious weed seeds are the seeds of weeds which are objectionable in fields, lawns, and gardens of this state, but which can be controlled by cultural or chemical practices. Seed is deemed mislabeled if it consists of or contains any of the restricted noxious weed seeds listed below in excess of the number declared on the label. For the purpose of seed certification, see WAC 16-302-105 for the list of objectionable weeds.

ENGLISH OR COMMON NAME	BOTANICAL OR SCIENTIFIC NAME
Blackgrass or slender foxtail	Alopecurus myosuroides
Black mustard	Brassica nigra
Blue lettuce	Lactuca tatarica subsp. pulchella
Docks and Sorrel	Rumex spp.
Dodder	Cuscuta spp.
Dyers woad	Isatis tinctoria
Field pennycress	Thlaspi arvense
(fanweed)
Field sandbur	Cenchrus spinifex
Gromwell (only in	Buglossoides arvensis
small grain)
Halogeton or clustered barilla salt	Halogeton glomeratus
Medusahead	Taeniatherum
	caput-medusae
Plantains	Plantago spp.
Poverty weed	Iva axillaris Pursh
Puncturevine	Tribulus terrestris
St. Johnswort	Hypericum perforatum
Dalmation toadflax	Linaria dalmatica
Yellow toadflax	Linaria vulgaris
Western ragweed	Ambrosia psilostachya
Wild mustard	Sinapis arvensis subsp.
	arvensis
Wild oat	Avena fatua
Wild radish	Raphanus raphanistrum

[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3), and chapter 34.05 RCW. WSR 14-20-050, § 16-301-050, filed 9/25/14, effective 10/26/14. Statutory Authority: Chapter 15.49 RCW. WSR 09-16-006, § 16-301-050, filed 7/22/09, effective 8/22/09. Statutory Authority: Chapters 15.49, 17.24, and 34.05 RCW. WSR 06-01-111, § 16-301-050, filed 12/21/05, effective 1/21/06. Statutory Authority: Chapters 15.49 and 34.05 RCW. WSR 02-12-060, § 16-301-050, filed 5/30/02, effective 6/30/02. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-301-050, filed 12/4/00, effective 1/4/01.]