Credit: JOHN KAPRIELIAN/SCIENCE PHOTO LIBRARY

Caption: Pollen blowing from the mature flower of a common ragweed (Ambrosia artemisaefolia). Ragweed pollen is a potent allergen and a major cause of hay fever.

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Keywords: allergen, allergens, allergies, allergy, ambrosia, ambrosia artemisaefolia, ambrosia artemisiifolia, annual ragweed, blowing, blowing pollen, botany, common ragweed, flower, flowers, hay fever, medical, medicine, plant, plant reproduction, plants, pollen, pollen dispersal, ragweed, ragweeds, weed, weeds

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Common Ragweed Dispersing Pollen

K005/0685 Rights Managed

Downloadable master

Duration: 00:00:07.16

Frame size: 1280x720

Frame rate: 59.94

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 261.1M

Original

Capture format: Unknown

Codec: Photo - JPEG

Interlaced: Yes

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