Weed Seeds Order Review Secondary Consultation Document
6.0 Proposed Revised Weed Seeds Order

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Class 1
Prohibited Noxious Weed Seeds
(Applicable to all tables of Schedule I to the Seeds Regulations)
Item Latin Name Common Name
1. Aegilops cylindrica Jointed goatgrass
2. Alopecurus myosuroides Slender foxtail
3. Bothriochloa ischaemum Yellow bluestem
4. Bothriochloa laguroides Silver beardgrass
5. Centaurea diffusa Diffuse knapweed
6. Centaurea iberica Iberian star thistle
7. Centaurea solstitialis Yellow star thistle
8. Centaurea stoebe Spotted knapweed
9. Centaurea virgata subsp. squarrosa Squarrose knapweed
10. Crupina vulgaris Common crupina
11. Cuscuta spp. Dodder
12. Echium plantagineum Paterson's curse
13. Eriochloa villosa Woolly cup grass
14. Halogeton glomeratus Halogeton
15. Inula britannica British Yellowhead
16. Milium vernale Spring Millet grass
17. Nassella trichotoma Serrated tussock
18. Paspalum dilatatum Dallis grass
19. Peganum harmala African-rue
20. Persicaria perfoliata Devil's-tail tearthumb
21. Pueraria montana Kudzu
22. Senecio inaequidens Narrow-leaved ragwort
23. Senecio madagascariensis Madagascar ragwort
24. Solanum elaeagnifolium Silverleaf nightshade
25. Taeniatherum caput-medusae Medusahead rye
26. Zygophyllum fabago Syrian bean-caper

Bolding indicates species proposed by stakeholders as part of the October 2009 consultation

Comments on this proposed Weed Seeds Order can be directed to seedsemence@inspection.gc.ca.

Class 2
Primary Noxious Weed Seeds
(Applicable to all tables of Schedule I to the Seeds Regulations)
Item Latin Name Common Name
1. Abutilon theophrasti Velvetleaf
2. Acroptilon repens (=Rhaponticum repens) Russian knapweed
3. Amaranthus tuberculatus Tall water-hemp
4. Ambrosia trifida Giant ragweed
5. Anthriscus sylvestris Cow parsley
6. Berteroa incana Hoary alyssum
7. Carduus acanthoides Spiny plumeless thistle
8. Carduus nutans Nodding thistle
9. Cenchrus longispinus Long-spined sandbur
10. Chondrilla juncea Rush skeletonweed
11. Cirsium arvense Canada thistle
12. Conium maculatum Poison hemlock
13. Convolvulus arvensis Field bindweed
14. Datura stramonium Jimsonweed
15. Elytrigia repens (=Elymus repens) Couchgrass
16. Euphorbia esula Leafy spurge
17. Galega officinalis Goat's-rue
18. Galium aparine Cleavers
19. Galium mollugo False baby's breath
20. Galium spurium False cleavers
21. Galium verrucosum Warty bedstraw
22. Heracleum mantegazzianum Giant hogweed
23. Heracleum sosnowskyi Hogweed
24. Lepidium appelianum Globe-pod hoary cress
25. Lepidium draba subsp.  chalapense (=Lepidium chalepense) Lens-pod hoary cress
26. Lepidium draba subsp. draba (=Lepidium draba) Heart-pod hoary cress
27. Linaria spp. Toadflax
28. Lythrum salicaria Purple loosestrife
29. Nicandra physalodes Apple of Peru
30. Odontites vernus subsp. serotinus Red bartsia
31. Raphanus raphanistrum Wild radish
32. Senecio jacobaea (=Jacobaea vulgaris) Tansy ragwort
33. Setaria faberi Giant foxtail
34. Silene latifolia subsp. alba White cockle
35. Silene vulgaris Bladder campion
36. Solanum carolinense Horse-nettle
37. Sonchus arvensis Perennial sow thistle
38. Sorghum halepense Johnson grass
39. Tribulus terrestris Puncture vine

Bolding indicates species proposed by stakeholders as part of the October 2009 consultation

Comments on this proposed Weed Seeds Order can be directed to seedsemence@inspection.gc.ca.

Class 3
Secondary Noxious Weed Seeds
(Applicable to all tables of Schedule I to the Seeds Regulations except Tables XIV and XV)
Item Latin Name Common Name
1. Ambrosia artemisiifolia Common ragweed
2. Anthemis cotula Mayweed
3. Avena fatua Wild oat
4. Avena sterilis Sterile oat
5. Barbarea spp. Yellow rocket
6. Bromus arvensis Field brome
7. Bromus japonicus Japanese brome
8. Bromus secalinus Cheat
9. Bromus tectorum Downy brome
10. Daucus carota subsp. carota Wild carrot
11. Erucastrum gallicum Dog mustard
12. Lepidium campestre Field peppergrass
13. Leucanthemum vulgare Ox-eye daisy
14. Lolium persicum Persian darnel
15. Pastinaca sativa Wild parsnip
16. Plantago lanceolata Ribgrass
17. All Rumex species
(except R. maritimus & R. acetosella)
Dock
18. Silene noctiflora Night-flowering catchfly
19. Sinapis arvensis Wild mustard
20. Sisymbrium loeselii Tall hedge mustard
21. Thlaspi arvense Stinkweed
22. Tripleurospermum maritimum subsp. inodorum Scentless chamomile
23. Vaccaria hispanica Cow cockle

Bolding indicates species proposed by stakeholders as part of the October 2009 consultation

Comments on this proposed Weed Seeds Order can be directed to seedsemence@inspection.gc.ca.

Class 4
Secondary Noxious Weed Seeds
(Applicable to Table XII of Schedule I to the Seeds Regulations)
Item Latin Name Common Name
1. Cerastium spp. Mouse-ear Chickweed
2. Digitaria spp. Crabgrass
3. Panicum spp. Panic grass
4. Prunella vulgaris Heal-all
5. Stellaria media Common Chickweed

Bolding indicates species proposed by stakeholders as part of the October 2009 consultation

Comments on this proposed Weed Seeds Order can be directed to seedsemence@inspection.gc.ca.

Class 5
Noxious Weed Seeds
(Applicable to Tables XIV and XV of Schedule I to the Seeds Regulations)
Item Latin Name Common Name
1. Cerastium spp. Mouse-ear Chickweed
2. Digitaria spp. Crabgrass
3. Leucanthemum vulgare Ox-eye daisy
4. Panicum spp. Panic grass
5. Prunella vulgaris Heal-all
6. Stellaria media Common Chickweed
7. Tripleurospermum martimum subsp. inodorum Scentless chamomile

Bolding indicates species proposed by stakeholders as part of the October 2009 consultation

Comments on this proposed Weed Seeds Order can be directed to seedsemence@inspection.gc.ca

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