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Ragweed pollen(Ambrosia psilostachya). This pollen is an allergen.
Copyright Dennis Kunkel Microscopy, Inc.
This image is the property of Dennis Kunkel and Dennis Kunkel Microscopy, Inc. The image is copyrighted and any reproduction without direct approval is expressly prohibited.
For permission to license and use this image, please contact Dennis Kunkel:
Dennis Kunkel Microscopy, Inc.
P.O. Box 2008
Kailua, HI 96734