| Photo Library | Scientific | ||||||
| Scientific names: | Common names: | Plant | Flower | Fruit or Seed | Leaf | Young plant | Other |
| Aegilops cylindrica | goatgrass, jointed | 34k | 17k | 19k | |||
| Amaranthus retroflexus | pigweed, redroot | 54k | 26k | 46k | |||
| Ambrosia psilostachya | ragweed, western | 43k | 17k | 26k | |||
| Arctium minus | burdock, common | 37k | 26k | 40k | 73k | ||
| Asclepias speciosa | milkweed, showy | 28k | 20k | 19k | |||
| Capsella bursa-pastoris | shepherdspurse | 32k | 47k | 47k | 62k | ||
| Cardaria draba | cress, hoary | 32k | 30k | 15k | |||
| Cenchrus incertus | sandbur | 55k | 29k | 43k | |||
| Centaurea maculosa | knapweed, spotted | 45k | 18k | 62k | |||
| Centaurea solstitialis | starthistle, yellow | 43k | 21k | 21k | 50k | ||
| Centaurea repens | knapweed, Russian | 31k | 19k | 23k | 15k | ||
| Centaurea Squarrosa | knapweed, squarrose | 20k | 38k | ||||
| Centaurea diffusa | knapweed, diffuse | 26k | 19k | 15k | |||
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