Mid to late Spring pollen. Cross-reactive with Alder species and Birch.
Mid to late Spring pollen. Strong cross-reactivity with Olive and Privet.
|Beech, American||Mid to late Spring pollen. Related to Oak pollen.|
|Birch, White||Mid to late Spring pollen. Cross-reactive with Birch species and Alder.|
|Box Elder, Maple||Mid Spring pollen. These are cross-reactive pollens.|
|Cottonwood, Eastern||Early to mid-Spring pollen. Cross-reactive with Poplar, Aspen & Willow.|
|Elm, White||Early to mid-Spring pollen. One Elm variety blooms in the Fall.|
|Hickory, Shellbark||Mid Spring pollen. Highly cross-reactive with pollen of Walnut and Pecan trees.|
Mid to late Spring pollen. All Oak species are highly cross-reactive.
Early Spring pollen. Usually not a potent allergen. Pollen grains are large and
heavy with few respirable pollens left in the air.
|Late Spring through Summer pollen. Closely related to Olive tree pollen.|
|Sycamore, American||Early to mid-Spring pollen.|
|Burningbush||Late Summer & Fall pollen.|
|Cocklebur||Late Summer & Fall pollen. Related to Ragweed.|
|English Plantain||Early Summer pollen. Often positive in grass sensitive patients|
|Lamb’s Quarters||Late Summer & Fall pollen.|
|Marshelder, Rough||Late Summer & Fall pollen. Related to Ragweed.|
|Mugwort||Fall pollen of the Sage group of weed pollens.|
|Nettle||Spring through Fall pollen.|
|Pigweed||Late Summer & Fall pollen.|
Late Summer & Fall pollen. Very potent allergen.
Fall pollen in the same group as Dock weed. Pollen counts peak with grass pollens (late Spring to early Summer).
|Cat||Common allergen, especially with indoor pets. Allergens persist indoors|
|Dog||Common allergen but less sensitizing than cat|
|Cockroach Mix||Dry insect debris. Correlated with inner city allergic asthma.|
|Dust / Mites|
|Mite, D. Farinae||Indoor allergen. Essentially the same as mite, D. Pteronyssinus.|
|Housedust||Allergenic debris from dust such as pet dander, mold and dust mite.|
|Bermuda Grass||Late Spring to early Summer. Allergens differ from those of field grasses.|
|Meadow Fescue||Late Spring to early Summer. Potent field grass. May pollinate longer inwarmer climates.|
Late Spring to early Summer. Potent field grass. May pollinate longer in warmer climates.
|Orchard Grass/ Cocksfoot||Late Spring to early Summer. Potent field grass. May pollinate longer in
Late Spring to early Summer. Potent field grass. May pollinate longer in
|Alternaria||Allergen is the windborne spore. Highly correlated with allergic asthma.|
|Aspergillus||Predominantly Indoor allergen. Common black mold.|
Allergen is the windborne mold spore.
|Penicillium||Damp mold found in soild. Blue green mold that can be seen on old bread|