WAC 16-302-105

WAC 16-302-105. Seed certification — Objectionable weeds

Last amended: 2025Year: 2026Length: 250 wordsOfficial source
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, Coast 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, Klamathweed Hypericum perforatum Dalmation toadflax Linaria dalmatica Yellow toadflax Linaria vulgaris Western ragweed, Perennial 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 rapeseed or canola only) Wild radish Raphanus raphanistrum Dyers woad Isatis tinctoria 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, Coast 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, Klamathweed Hypericum perforatum Dalmation toadflax Linaria dalmatica Yellow toadflax Linaria vulgaris Western ragweed, Perennial 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 rapeseed or canola only) Wild radish Raphanus raphanistrum Dyers woad Isatis tinctoria
WAC 16-302-105: WAC 16-302-105. Seed certification — Objectionable weeds | Justis AI