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Photographs of pollen matched with the source plant:
Matching photos of plants & flowers to their unique pollen grains
a Photo ID Library for asthma and allergy sufferers.
Here is a sampling of our photomicrographs of pollen common
in the various areas of the world. In this article are samples from our library of over 240,000 photographs of mold, pollen, allergens, and other airborne and forensic particles available in our bioaerosol laboratory.
Here are a few samples of common pollen allergens and the plants and flowers from which they derive. We pair color photographs of the plant with microphotographs of each plant's pollen grains.
Included also are photographs of plants and matching pollen from other areas in the U.S., Canada, Spain, France, and Mexico, and from
other countries. Included are pollen and plants include the New York Hudson Valley. We include links to detailed articles about individual pollen and plant species.
We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need.
Pollen Photographs through the Microscope Paired with Source Plant Images
Shown below are several species illustrated with photographs of the flower, its pollen producing components, and the individual pollen grains.
[Click any image to see an enlarged, detailed version]
[Click any image to see an enlarged, detailed version]
Maple Tree & Pollen Photographs
At above left is a photograph of Maple pollen, possibly Norway Maple @ 400X. The use of basic fuchsin is common when examining pollen as is the use of Calberla's solution but this photo shows such dark pink stain that it's the mark of a
At above center is a photograph of another maple pollen, Acer saccharinium - sugar maple. beginner - me when this photo was taken.
At above right is a photograph of what again looks like a maple pollen, this one collected from a car hood (Brooklyn NY 4/26/2014) demonstrating that with careful focus of the microscope it is possible to see the pollen cell wall and its operculi [sic - depending on the shape of the opening in the pollen grain shouldn't this be colpi?] without use of strong stains.
This maple pollen has four operculi visible on some of the pollen grains.
Definition of colpus or colpi: A colpus is an elongated opening in the pollen grain with a length to width ration greater than 2.
Definition of Operculum or operculi: an operculm is an open in a pollen grain characterized as
A distinctly delimited sexineectexine structure which covers part of an ectoaperture and which is completely isolated from the rest of the sexine. - Snyder et als (2007 retrieved 4/26/14 original source http://www.pollen.mtu.edu/
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Kansas State University, department of plant pathology, extension plant pathology web page on wheat rust fungus: see http://www.oznet.ksu.edu/path-ext/factSheets/Wheat/Wheat%20Leaf%20Rust.asp
"A Brief Guide to Mold, Moisture, and Your Home",
U.S. Environmental Protection Agency US EPA - includes basic advice for building owners, occupants, and mold cleanup operations. See http://www.epa.gov/mold/moldguide.htm
US EPA - Mold Remediation in Schools and Commercial Building [Copy on file at /sickhouse/EPA_Mold_Remediation_in_Schools.pdf ] - US EPA
US EPA - Una Breva Guia a Moho - Hongo [Copy on file as /sickhouse/EPA_Moho_Guia_sp.pdf - en Espanol
"IgG Food Allergy Testing by ELISA/EIA, What do they really tell us?" Sheryl B. Miller, MT (ASCP), PhD, Clinical Laboratory Director, Bastyr University Natural Health Clinic - ELISA testing accuracy: Here is an example of Miller's critique of ELISA
http://www.betterhealthusa.com/public/282.cfm - Townsend Letter for Doctors and Patients
The critique included in that article raises compelling questions about IgG testing assays, which prompts our interest in actually screening for the presence of high levels of particles that could carry allergens - dog dander or cat dander in the case at hand.
http://www.tldp.com/issue/174/IgG%20Food%20Allergy.html contains similar criticism in another venue but interestingly by the same author, Sheryl Miller. Sheryl Miller, MT (ASCP), PhD, is an Immunologist and Associate Professor of Basic and Medical Sciences at Bastyr University in Bothell, Washington. She is also the Laboratory Director of the Bastyr Natural Health Clinic Laboratory.
Allergens: Testing for the level of exposure to animal allergens is discussed at http://www.animalhealthchannel.com/animalallergy/diagnosis.shtml (lab animal exposure study is interesting because it involves a higher exposure level in some cases
Allergens: WebMD discusses allergy tests for humans at webmd.com/allergies/allergy-tests
Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair
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