Ragweed (Ambrosia psilostachya) pollen,coloured scanning electron micrograph (SEM).This pollen is allergen.Ragweed is main cause of weed allergies.Ragweed pollen is notorious for causing allergic reactions in humans,specifically allergic rhinitis.Up to half of all cases of pollen-related allergic

Ragweed (Ambrosia psilostachya) pollen,coloured scanning electron micrograph (SEM).This pollen is allergen.Ragweed is main cause of weed allergies.Ragweed pollen is notorious for causing allergic reactions in humans,specifically allergic rhinitis.Up to half of all cases of pollen-related allergic Stock Photo
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Image details

Contributor:

Science Photo Library / Alamy Stock Photo

Image ID:

HJ0C36

File size:

25 MB (600.4 KB Compressed download)

Releases:

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Dimensions:

3302 x 2646 px | 28 x 22.4 cm | 11 x 8.8 inches | 300dpi

Date taken:

29 November 2016