Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)
SEEDS AND PLANTING STOCK CERTIFICATION
Chapter 16-302 - General rules for seed certification
Part 1 - PERMANENT MIXING/LOADING SITE
Section 16-302-105 - Seed certification-Objectionable weeds
Universal Citation: WA Admin Code 16-302-105
Current through Register Vol. 24-06, March 15, 2024
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 spinifex |
| Halogeton or clustered barilla salt | Halogeton glomeratus |
| Medusahead | Taeniatherum caput-medusea subsp. caputmedusae |
| Plantains | Plantago spp. |
| Poverty weed | Iva axillaris |
| 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 |
| Gromwell (in small grain) | Buglossoides arvensis |
| Bedstraw | Galium spp. (in alfalfa only) |
| Black mustard | Brassica nigra |
| Brown mustard | Brassica juncea (in rape-seed or canola 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.
Disclaimer: These regulations may not be the most recent version. Washington may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.
