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field of goldenrod
Green flower of common ragweed blooms in season. Bush ambrosia artemisiifolia produces large amounts pollen allergen. Mythological name: food of the gods. Dangerous weed with feather lobed leaves.
Flowering ragweed plant growing outside, a common allergen outdoors
White flowers in the field
Flower of a common ragweed, Ambrosia artemisiifolia.
A specimen of common ragweed (Ambrosia artemisiifolia) isolated against a clear blue sky. This plant is a severe health hazard whose pollen causes widespread allergic reactions associated with asthma and hay fever.
Flowering ragweed (Ambrosia artemisiifolia) plant growing outside, a common allergen
Untouched nature. Uncultivated land
Ragweed on the field
Purple wildflowers in a nature reserve in Den Bosch (‘s-Hertogenbosch)
Annual ragweed in bloom close-up view with selective focus on foreground
Wild flowers at a roadside in a park area outside Copenhagen. The area is named Kalvebod Commons and are situated 20 minutes from the center of Copenhagen and are used for grazing cattle and as a public nature park
Ambrosia plant causes ragweed allergy
Goldenrod flowers in full bloom, their bright yellow clusters standing out against a blurred natural background. The image captures the vibrant color and delicate structure of the flowers, highlighting their presence in the late summer landscape.
Artemisia vulgaris,common mugwort herbaceous perennial plant selective focus
Wallpaper with spring meadow flowers during sunny day. Green expanses of blooming flowers against sunset.
Flax is one of the oldest cultivated plants. (Gemeiner Lein)
Ragweed or ambrosia plant, its pollen is notorious for causing allergic reactions in humans, selective focus
Smaller than common swinecress, with more feathery, pungent leaves.\nFlowers smaller, 1mm, sepals longer than petals; fertile stamens only two.\nFruit 1.5-2mm.\nHabitat: Cultivated land and waste places.\nFlowering Season: June-September.\nDistribution: Possible native to S. America, naturalized throughout Europe, except the extreme North.\n\nThis is a cosmopolitan Species, which I found in my Garden.
Ambrosia, ragweed (goldenrod) is a genus of perennial strong allergenic grasses. Meadow on a sunny summer day.
Goldenrod in a full bloom at the end of summer
Bright yellow flowers of Canadian goldenrod blooming in the meadow. Beautiful summer scenery of Latvia, Northern Europe.
Ragwort in a nature reserve
Melilot yellow, ribbed melilot (Melilotus officinalis) blooms in the wild in summer
plant
Ragweed plant flowering outside. A heavy allergen
blue wildflowers against a soft green background
Young branch ambrosia blooming in the field. Plant causing allergies. Selective focus.
Goldenrod composition in a Connecticut pollinator meadow, early autumn, with copy space. An abundant wildflower.
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