Northeastern Inhalant Panel

Allergen Comments
Trees
Alder, White

Mid to late Spring pollen. Cross-reactive with Alder species and Birch.

Ash, White

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.
Oak, White

Mid to late Spring pollen. All Oak species are highly cross-reactive.

Pine Mix

Early Spring pollen. Usually not a potent allergen. Pollen grains are large and

heavy with few respirable pollens left in the air.

Privet

Late Spring through Summer pollen. Closely related to Olive tree pollen.
Sycamore, American Early to mid-Spring pollen.
Weeds
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.
Ragweed, Short

Late Summer & Fall pollen. Very potent allergen.

Sheep Sorrel

Fall pollen in the same group as Dock weed. Pollen counts peak with grass pollens (late Spring to early Summer).

Danders
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.
Grass
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.
Perennial Rye

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

warmer climates.

Timothy Grass

Late Spring to early Summer. Potent field grass. May pollinate longer in

warmer climates.

Molds
Alternaria Allergen is the windborne spore. Highly correlated with allergic asthma.
Aspergillus Predominantly Indoor allergen. Common black mold.
Cladosporium

Allergen is the windborne mold spore.

Penicillium Damp mold found in soild. Blue green mold that can be seen on old bread