Annual Sow-Thistle – Milky Sap
Annual Sow-Thistle – Clasping Leaves
Annual Sow-Thistle – Mature Plant
Arrow-Leaved Smartweed – Downward Bristles
Arrow-Leaved Smartweed – Flower Cluster
Arrow-Leaved Smartweed – Mature Plant
Black Medick – Fruiting Head
Black Medick – Flowering Head
Black Medick – Compound Leaves
Black Medick – Mature Plant
Canada Fleabane – Fruiting Heads
Canada Fleabane – Flowering Heads
Canada Fleabane – Hairy Stem
Canada Fleabane – Mature Plant
Canadian St. John’s-Wort – Single Flower
Canadian St. John’s-Wort – Mature Plant
Common Ragweed – Divided Leaf
Common Ragweed – Pistillate Flower
Common Ragweed – Staminate Flower
Common Ragweed – Mature Plant
Common Ragweed – Seedling
Common Vetch – Seed Pod
Common Vetch – Paired Flowers
Common Vetch – Mature Plant
Corn Spurry – Leaves
Corn Spurry – Mature Plant
Corn Spurry – Young Plant
Cow Wheat – Leaf
Cow Wheat – Flower
Cow Wheat – Mature Plant
Cow Wheat – Seedling
Hemp-Nettle – Mature Fruit
Hemp-Nettle – Flower Cluster
Hemp-Nettle – Leaf
Hemp-Nettle – Seedling
Hemp-Nettle – Mature Plant
Lady’s Thumb – Flowering Spike
Lady’s Thumb – Nodes
Lady’s Thumb – Leaf
Lady’s Thumb – Mature Plant
Lamb’s Quarters – Flowering Head
Lamb’s Quarters – Seedling
Lamb’s Quarters – Mature Plant
Lamb’s Quarter – Leaf
Large Hop Clover – Mature Plant
Large Hop Clover – Fruiting Head
Large Hop Clover – Compound Leaf
Large Hop Clover – Flowering Head
Low Cudweed – Flower Heads
Low Cudweed – Wooly Leaves
Low Cudweed – Plant
Pale Smartweed – Flowering Spike
Rabbit-Foot Clover – Flowering Head
Rabbit-Foot Clover – Hairy Stem
Rabbit-Foot Clover – Compound Leaf
Rabbit-Foot Clover – Field Infestation
Redroot Pigweed – Immature Flowering Head
Redroot Pigweed – Tap Root
Redroot Pigweed – Mature Spike
Redroot Pigweed – Young Plant