Flower Structure
. produce pollen when the stigma is not receptive to pollen, thus ensuring out-crossing or cross pollination.
http://koning.ecsu.ctstateu.edu/Plants_Huma...

NOAA Paleoclimatology Program - Modern and Fossil Pollen Data
A searchable collection of pollen data from around the world
http://www.ncdc.noaa.gov/paleo/pollen.html

Pollen.com - Local Pollen reports and forecasts
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http://www.pollen.com/Pollen.com.asp

NYC Pollen Count
Pollen count updates for both local and national pollen count and mold spore count.
http://www.NYCPollenCount.com

What is pollen?
The Pollen, or fertilizing dust of flowers, is gathered by the bees from blossoms, and is indispensable to the nourishment of their young.
http://www3.sympatico.ca/elfsong/Pages/poll...

Pollen Allergies
Learn more about pollen allergies.
http://pediatrics.about.com/cs/conditions/a...

Pollen.com - Local Pollen reports and forecasts
Pollen.com's Personal Allergy Alert Forecast provides vast amounts of information on pollen and allergies for sufferers.
http://www.pollen.com/

Pollen Counters & Maps
Find out the pollen count in your area.
http://allergies.about.com/od/counters/inde...

Pollen Allergy - Tree, Grass and Weed Pollen Allergy
The main pollens that can cause allergic reactions include tree pollens, grass pollens and weed pollens. Discover which cities are classified as the worst for pollen allergies.
http://allergies.about.com/od/pollen/index....

Allergies Spring Into Action
But the season doesn't have to mean misery, experts say
http://healthscout.com/template.asp?page=ne...

Soaring Pollen Counts Spur Worst Allergy Season in Years
Northeast hit hardest, but whole country suffering, experts say
http://healthscout.com/template.asp?page=ne...

Pollen-Online.com
Présentation des bienfaits du pollen frais et commande des produits.
http://www.pollen-online.com/

Scientists Spot Pollen Perpetrator
An enzyme interacts with airway cells to help trigger asthma, allergy attacks
http://healthscout.com/template.asp?page=ne...