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.

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]

Anemone flower Pollen

For details see ANEMONE FLOWER POLLEN - a separate article, for detals

Birch pollen - River Birch pollen photograph series from tree to flower to anthers to pollen See BIRCH POLLEN - a separate article, for details

Buttercup Flower & Pollen photographs

Buttercup plant Buttercup flower - Ranunculus acris Buttercup pollen - 400X

[Click any image to see an enlarged, detailed version]

Maple Tree & Pollen Photographs

Above 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 heavy hand with stain and one of our earlier, more-amateur pollen photos.

Below is a photograph of another maple pollen, Acer saccharinium - sugar maple.

Below without stain 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/

Oak Leaf structural details in the microscope

Oak leaf structure

A Photo Tour of the Tulip Poplar or Yellow Poplar Tree: photographs tour from the tree to its flowers to its pollen

Tulip Poplar or Yellow Poplar Tree - Liriodendran Tulipifera is shown below, followed by photographs of Tulip Poplar bark, Tulip Poplar Leaf, Tulip Poplar flower (Magnolia family),

[Click to enlarge any image]

[Click to enlarge any image]

Above: a tulip poplar tree

Above: tulip poplar tree bark

Above: tulip poplar leaf

Above: tulip poplar tree flower

Above: - Tulip Poplar tree pollen at 400X

Picea Rubens - Red Spruce Pollen, Needle, Cone, Bud, Hairy Stem Photographs help Identify Red Spruce

Above: the pollen grains photographed at 400x, from Red Spruce - Picea rubens, collected from property on the Vassar College Campus, Poughkeepsie NY, May 2019 [by DF]

We have a quantity of this pollen on hand and will be glad to give modest amounts at no charge to microscopists or other researchers. Use the page top or bottom CONTACT link.

At RED SPRUCE IDENTIFICATION & POLLEN PHOTOS you will find photos and notes that help distinguish Red spruce (Picea rubens) from some other common spruce trees including black and white spruce trees.

Poppy Flower & Pollen photographs

Poppy flower and plant, Poppy pollen - 400X

Pollen Morphology References of Interest

• Barth, Ortrud Monika. "Pollen grain morphology of some Brazilian species of Dorstenia L.(Moraceae)." Boletim IG-USP. Série Científica 17 (1986): 121-129.
• Clement, Wendy L., and George D. Weiblen. "Morphological evolution in the mulberry family (Moraceae)." Systematic Botany 34, no. 3 (2009): 530-552.
• Furness, Carol A., and Paula J. Rudall. "Pollen aperture evolution–a crucial factor for eudicot success?." Trends in plant science 9, no. 3 (2004): 154-158.
• Hesse, Michael, and Friedrich Ehrendorfer, eds. Morphology, development, and systematic relevance of pollen and spores. Springer, 1990.
• Hoen, P. P., and W. Punt. "Pollen morphology of the tribe Dorstenieae (Moraceae)." Review of palaeobotany and palynology 57, no. 3 (1989): 187-220.
• Martin, Paul S., and Charles M. Drew. "Scanning electron photomicrographs of southwestern pollen grains." Journal of the Arizona Academy of Science (1969): 147-176.
• Rohwer, J. G., and C. C. Berg. Moraceae. Springer Berlin Heidelberg, 1993.
• Thomas P. Paleobotany and Palynology", in "Key to the Pollen of the Bahamas© Version 1", (2007), - retrieved 4/26/14 original source http://www.pollen.mtu.edu/
• Watts, William A. "A pollen diagram from Mud Lake, Marion County, north-central Florida." Geological Society of America Bulletin 80, no. 4 (1969): 631-642.

...

Continue reading at POLLEN, POLLEN ALLERGENS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX.

Or see these

Recommended Articles

• ALLERGENS in BUILDINGS, RECOGNIZING
• ANEMONE FLOWER POLLEN
• CACTUS FUNGI / MOLD
• MOLD by MICROSCOPE
• PAPAYA WHITE GROWTH vs DISEASE
• POLLEN PHOTOGRAPHS
• POLLEN STAINS on BUILDINGS and how to get them off of surfaces
• RED SPRUCE IDENTIFICATION & POLLEN PHOTOS

Suggested citation for this web page

POLLEN PHOTOGRAPHS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

Or see this

INDEX to RELATED ARTICLES: ARTICLE INDEX to BUILDING FORENSICS

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Citations & References

In addition to any citations in the article above, a full list is available on request.

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