Allergy : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Pollen Calendar

The term weed usually refers to a plant that is not considered of value, neither economically nor aesthetically. Usually a plant, which grows where it is not wanted, amongst more desirable plants, for example in a vegetable plot or flowerbeds. Sage and helianthus are included here due to the fact that they have more in common with the category 'weed' than either trees or grasses. The main weeds mentioned in the 'Pollen Calendar' section are the following :

Amaranthaceae (Pigweeds)
Goldenrod (Solidago)
Ragweed (Ambrosia)
Chenopodiaceae (Goosefoot)
Sage (Salvia officinalis)
Mugwort (Artemisia)
Urticaceae (Nettle family)
Dandelion (Taraxacum)
Plantain (Plantago)
Wall Pellitory ( Parietaria )

Of course, this is not an exhaustive list of all the weeds which produce allergy-inducing pollens. This list merely intends to provide some basic information on some of the main weed pollens, which are responsible for causing seasonal allergic reactions. Further information can be obtained by contacting your local/national pollen monitoring service. We hope to add to this list of weed pollens and develop it over time.
Any suggestions and relevant information are very welcome!
See also the information on tree and grass pollens.


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Contact Last modified: Fri Jun 28 2002