Attachment_4_Wyoming_State_Designated_Weed_List.docx

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Attached to
Invasive Plant Motorized Treatment for Grand Teton
Solicitation number
140P1426Q0069
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This is an attachment listing Wyoming's State Designated Weed List, which identifies 32 invasive plant species that are subject to control or management requirements in the state. The list includes common noxious weeds such as field bindweed, Canada thistle, leafy spurge, perennial sowthistle, quackgrass, hoary cress, perennial pepperweed, ox-eye daisy, Russian knapweed, yellow toadflax, Dalmatian toadflax, Scotch thistle, musk thistle, spotted knapweed, diffuse knapweed, purple loosestrife, saltcedar, common St. Johnswort, common tansy, Russian olive, black henbane, common mullein, yellow starthistle, ventenata, medusahead rye, and Palmer amaranth, among others.

This attachment directly supports the related solicitation for "Invasive Plant Motorized Treatment for Grand Teton" issued by the Department of the Interior National Park Service Intermountain Region (Solicitation Number 140P1426Q0069). The weed list serves as the regulatory and operational reference for identifying which invasive plant species must be targeted for treatment and removal during the contract performance. Contractors responding to this IDIQ solicitation with base and two option periods will need to demonstrate capability in treating and controlling the specific plant species enumerated on this Wyoming-designated list.

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State Designated Weed List 1.

2. Field bindweed (Convolvulus arvensis L.)

3. Canada thistle (Cirsium arvense L.)

4. Leafy spurge (Euphorbia esula L.)

5. Perennial sowthistle (Sonchus arvensis L.)

6. Quackgrass (Agropyron repens (L.) Beauv.)

7. Hoary cress (whitetop) (Cardaria draba and Cardaria pubescens (L.) Desv.)

8. Perennial pepperweed (giant whitetop) (Lepidium latifolium L.)

9. Ox-eye daisy (Chrysanthemum leucanthemum L.)

10. Skeletonleaf bursage (Franseria discolor Nutt.)

11. Russian knapweed (Centaurea repens L.)

12. Yellow toadflax (Linaria vulgaris L.)

13. Dalmatian toadflax (Linaria dalmatica (L.) Mill.)

14. Scotch thistle (Onopordum acanthium L.)

15. Musk thistle (Carduus nutans L.)

16. Common burdock (Arctium minus (Hill) Bernh.)

17. Plumeless thistle (Carduus acanthoides L.)

18. Dyers woad (Isatis tinctoria L.)

19. Houndstongue (Cynoglossum officinale L.)

20. Spotted knapweed (Centaurea maculosa Lam.)

21. Diffuse knapweed (Centaurea diffusa Lam.)

22. Purple loosestrife (Lythrum salicaria L.)

23. Saltcedar (Tamarix spp.)

24. Common St. Johnswort (Hypericum perforatum)

25. Common Tansy (Tanacetum vulgare)

26. Russian olive (Elaeagnus angustifolia)

27. Black Henbane (Hyoscyamus Niger L.)

28. Common Mullein (Verbascum thapsus L.)

29. Yellow starthistle (Centaurea solstitialis L.)

30. Ventenata (Ventenata dubia (Leers) Coss.)

31. Medusahead rye (Taeniatherum caput-medusae (L.) Nevski)

32. Palmer amaranth (Amaranthus palmer This page intentionally left blank.

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