WAC 16-302-105   Seed certification -- Objectionable weeds.  The following weeds are considered objectionable noxious weeds for the purpose of seed certification.


ENGLISH OR

COMMON NAME
BOTANICAL OR

SCIENTIFIC NAME
Blackgrass or Slender foxtail Alopecurus myosuroides
Blue lettuce Lactuca tatarica
Docks and Sorrel Rumex spp.
Field pennycress (fanweed) Thlaspi arvense
Field sandbur Cenchrus incertus
Halogeton or Clustered barilla salt Halogeton glomeratus C.A. Mey.
Medusahead Taeniatherum caput-medusea subsp. caputmedusae
Plantains Plantago spp.
Poverty weed Iva axillaris Pursh.
Puncturevine Tribulus terrestris L.
St. Johnswort Hypericum perforatum L.
Dalmation toadflax Linaria dalmatica (L.) Mill.
Yellow toadflax Linaria vulgaris Hill.
Western ragweed Ambrosia psilostachya DC.
Wild mustard Sinapis arvensis subsp. arvensis
Wild oat Avena fatua L.
Gromwell (in small grain) Buglossoides arvensis
Bedstraw Galium spp. (in alfalfa only)
Black mustard Brassica nigra
Brown mustard Brassica juncea (in rapeseed only)
Wild radish Raphanus raphanistrum
Dyers woad Isatis tinctoria




[Statutory Authority: Chapter 15.49 RCW. 09-16-006, § 16-302-105, filed 7/22/09, effective 8/22/09. Statutory Authority: Chapters 15.49, 17.24, and 34.05 RCW. 06-01-111, § 16-302-105, filed 12/21/05, effective 1/21/06. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-105, filed 12/4/00, effective 1/4/01.]