Wendy Karol Cecil
Research Associate, Plant Sciences
University of Wyoming
1000 E. University
Agriculture Bldg 4031
Laramie, WY 82071
Phone: (307) 766-2243
Email: wcecil@uwyo.edu
Crop Plants and Weed Plants
Seed Identification
A. Noxious and/or Prohibited Weeds | Photo | Seed | Photo | Seed | |
1. Canada thistle | X | X | 9. Perennial pepperweed | X | |
2. Common burdock | X | 10. Perennial sowthistle | X | ||
3. Dalamtian toadflax | X | 11. Plumeless thistle | X | ||
4. Field Bindweed | X | X | 12. Quackgrass | X | X |
5. Hoary Cress | X | 13. Russian knapweed | X | ||
6. Leafy spurge | X | 14. Scotch thistle | X | ||
7. Musk thistle | X | X | 15. Skeletonleaf bursage | X | |
8. Oxeye daisy | X | X | 16. Yellow toadflax | X | |
B. Semi-harmful Weeds | Photo | Seed | Photo | Seed | |
17. Buckhorn plantain | X | X | 22. Povertyweed | X | |
18. Blue lettuce | X | 23. Swainsonpea | X | ||
19. Field Dodder | X | X | 24. Wild oats | X | X |
20. Puncturevine | X | X | 25. Jointed goatgrass | X | X |
21. Common ragweed | X | X | 26. Wild proso millet | X | |
C. Common Weeds | Photo | Seed | Photo | Seed | |
27. Barnyardgrass | X | X | 48. Venice mallow | X | |
28. Blue mustard | X | 49. Curlycup gumweed | X | ||
29. Buffalobur | X | 50. Wild mustard | X | X | |
30. Bull thistle | X | 51. Japanese brome | X | ||
31. Chicory | X | 52. Kochia | X | X | |
32. Common chickweed | X | 53. Common lambsquarters | X | X | |
33. Common sunflower | X | X | 54. Marshelder | X | |
34. Common cocklebur | X | 55. Mousear chickweed | X | ||
35. Common yarrow | X | 56. Common salsify | X | ||
36. Curly dock | X | X | 57. Prickly lettuce | X | |
37. Dandelion | X | X | 58. Annual pricklepoppy | X | |
38. Downy brome | X | X | 59. Pigweed Spp | X | X |
39. Knotweed | X | 60. Nightshade Spp. | X | X | |
40. Field sandbur | X | 61. Sheep Sorrel | X | X | |
41. Field pennycress | X | X | 62. Russian thistle | X | X |
42. Smallseed falseflax | X | 63. Shepherdspurse | X | X | |
43. Foxtail barley | X | 64. Skeletonweed | X | ||
44. Green foxtail | X | X | 65. Pinnate tansymustard | X | X |
45. Canada goldenrod | X | X | 66. Tumblemustard | X | |
46. Western Sticktight | X | 67. Wild buckwheat | X | ||
47. Horseweed | X | 68. Common purslane | X | X | |
D. Poisonous Plants | Photo | Seed | Photo | Seed | |
70. Seaside arrowgrass | X | 75. Lupine | X | X | |
71. Deathcamas | X | 76. Princes plume | X | ||
72. Halogeton | X | 77. Two-grooved milkvetch | X | ||
73. Geyer larkspur | X | 78. Western waterhemlock | X | ||
74. Tall larkspur | X | 79. Woody aster | X | ||
E. Grasses | Mounts | Mounts | |||
80. Alkali sacaton | X | 93. Needleandthread | X | ||
81. Bluebunch wheatgrass | X | 94. Orchardgrass | X | ||
82. Blue grama | X | 95. Prairie sandreed | X | ||
83. Buffalograss | X | 96. Redtop bent | X | ||
84. Canada wildrye | X | 97. Reed canarygrass | X | ||
85. Crested wheatgrass | X | 98. Red threeawn | X | ||
86. Giant wildrye | X | 99. Russian wildrye | X | ||
87. Green needlegrass | X | 100. Inland Saltgrass | X | ||
88. Idaho fescue | X | 101. Meadow foxtail | X | ||
89. Indian ricegrass | X | 102. Slender wheatgrass | X | ||
90. Intermediate wheatgrass | 103. Smooth brome | X | |||
91. Kentucky bluegrass | 104. Tall wheatgrass | X | |||
92. Meadow fescue | 105. Timothy | X | |||
106. Western wheatgrass | X | ||||
F. Legumes, Cereals and Oil Crops | Mounts | Seed | Mounts | Seed | |
107. Alfalfa | X | X | 117. Safflower | X | X |
108. Alsike clover | X | X | 118. Amber durum wheat | X | X |
109. Barley | X | X | 119. White wheat | X | X |
110. Birdsfoot trefoil | X | X | 120. Sorghum | X | X |
111. White clover | X | X | 121. Sudangrass | X | X |
112. Red clover | X | X | 122. Foxtail millet | X | X |
113. Sweetclover (white/yellow) | X | X | 123. Flax | X | X |
114. Cereal rye | X | X | 124. Triticale | X | X |
115. Cicer milkvetch | X | X | 125. Red Wheat | X | X |
116. Sainfoin | X | X | 126. White Oat | X | X |
X | X | 127. Oat | X | X |
Wendy Karol Cecil
Research Associate, Plant Sciences
University of Wyoming
1000 E. University
Agriculture Bldg 4031
Laramie, WY 82071
Phone: (307) 766-2243
Email: wcecil@uwyo.edu