Common Ornamental Grasses And Noxious Weeds

40 Questions | Total Attempts: 120

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Common Ornamental Grasses And Noxious Weeds

Test your identification of common ornamental grasses and noxious weeds of Missouri. Produced by Shaw Nature Reserve and St. Louis County Public Works.


Questions and Answers
  • 1. 
    • A. 

      Maiden grass, Miscanthus

    • B. 

      Native sedge, Carex

    • C. 

      Japanese forest grass, Hakonechloa

  • 2. 
    • A. 

      Indian grass, Sorghastrum

    • B. 

      Big bluestem, Andropogon

    • C. 

      Little bluestem, Schizachyrium

  • 3. 
    • A. 

      Japanese forest grass, Hakonechloa

    • B. 

      Sedge, Carex

    • C. 

      Maiden grass, Miscanthus

  • 4. 
    • A. 

      Hardy pampas grass, Erianthus or Saccharum

    • B. 

      June grass, Koeleria

    • C. 

      Noxious Johnson grass, Sorghum

  • 5. 
    • A. 

      Switch grass, Panicum

    • B. 

      Moor grass, Sesleria

    • C. 

      Fountain grass, Pennisetum

  • 6. 
    • A. 

      Frost grass, Spodiopogon

    • B. 

      Melic grass, Melica

    • C. 

      Moor grass, Sesleria

  • 7. 
     
    • A. 

      Native switch grass, Panicum

    • B. 

      Noxious Johnson grass, Sorghum

    • C. 

      Native big bluestem, Andropogon

  • 8. 
    • A. 

      Japanese blood grass , Imperata

    • B. 

      Ribbon grass, Phalaris

    • C. 

      Indian grass, Sorghastrum

  • 9. 
    • A. 

      Blue oat grass, Helictorichon

    • B. 

      River oats, Uniola or Chasmanthium

    • C. 

      Melic grass, Melica

  • 10. 
    • A. 

      Cut-leaved teasel, Dipsacus laciniatus

    • B. 

      Common teasel, Dipsacus fullonum

    • C. 

      Purple coneflower, Echinacea purpurea

  • 11. 
    • A. 

      Side oats grama, Bouteloua

    • B. 

      Needle grass, Stipa

    • C. 

      Dropseed, Sporobolus

  • 12. 
    • A. 

      Feather grass, Stipa

    • B. 

      June grass, Koeleria

    • C. 

      Indian grass, Sorghastrum

  • 13. 
    • A. 

      Blue oat grass, Helictorichon

    • B. 

      Needle grass, Stipa

    • C. 

      Little bluestem, Schizachyrium

  • 14. 
    • A. 

      Native Virginia creeper, Parthenocissus quinquefolia

    • B. 

      Noxious kudzu, Pueraria lobata

    • C. 

      Noxious purple loosestrife, Lythrum salicaria

  • 15. 
    • A. 

      River oats, Uniola or Chasmanthium

    • B. 

      Quaking grass, Briza

    • C. 

      Blue oat grass, Helictorichon

  • 16. 
    • A. 

      Giant reed, Arundo

    • B. 

      Reed canarygrass, Phalaris

    • C. 

      Noxious marijuana, Cannabis sativa

  • 17. 
    • A. 

      Purple coneflower, Echinacea purpurea

    • B. 

      Cut-leaved teasel, Dipsacus laciniatus

    • C. 

      Common teasel, Dipsacus fullonum

  • 18. 
    • A. 

      Feather reed grass, Calamagrostis

    • B. 

      Dropseed, Sporobolus

    • C. 

      Indian grass, Sorghastrum

  • 19. 
    • A. 

      Cord grass, Spartina

    • B. 

      Ribbon grass, Phalaris

    • C. 

      Noxious Johnson grass, Sorghum

  • 20. 
    • A. 

      Dropseed, Sporobolus

    • B. 

      Indian grass, Sorghastrum

    • C. 

      Feather reed grass, Calamagrostis

  • 21. 
    • A. 

      Noxious musk thistle, Carduus nutans

    • B. 

      Noxious Canada thistle, Cirsium arvense

    • C. 

      Noxious Scotch thistle, Onopordum acanthium

  • 22. 
    • A. 

      Moor grass, Sesleria

    • B. 

      June grass, Koeleria

    • C. 

      Buffalo grass, Bouteloua

  • 23. 
    • A. 

      Noxious Johnson grass, Sorghum

    • B. 

      Ribbon grass, Phalaris

    • C. 

      Native Indian grass, Sorghastrum

  • 24. 
    • A. 

      Noxious kudzu, Pueraria lobata

    • B. 

      Noxious marijuana, Cannabis sativa

    • C. 

      Poison ivy, Toxicodendron radicans

  • 25. 
    • A. 

      Maiden grass, Miscanthus

    • B. 

      Gray beard, Spodiopogon

    • C. 

      Big bluestem, Andropogon

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