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| Allergy : | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | Y | Pollen Calendar |
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Pollen Calendar for Midwestern USA
The main tree pollens
present in North America, which are responsible for seasonal allergic
symptoms, include the alder ,
oak , western
red cedar , elm ,
birch , ash ,
hickory , poplar ,
American sycamore ,
cypress , and walnut ,
while the main grass pollens include timothy
grass , Bermuda couch
grass , orchard grass ,
sweet vernal grass , red
top grass and different types of blue
grasses (for example annual and Kentucky).
Weed pollens include the dandelion , goldenrod , nettle and sage but it is the ragweed pollen that causes the most problems in North America. It should be noted that the presence of these pollens varies between regions. To get a more accurate picture of the pollens present in a particular region and for a pollen forecast, check out the ' Pollen and Spore ' section of the American Academy of Allergy, Asthma and Immunology Online [ 1 ] . [1]
American Academy of Allergy, Asthma and Immunology Online : http://www.aaaai.org
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| http://www.hon.ch/Library/Theme/Allergy/Glossary/usmidwest.html | Last modified: Wed May 10 2006 | |||
