The following is a list of pollen and spore species that we normally identify and tally in our counting procedures. The list of pollen counted may vary depending on the location where the samples were collected.
| TREES AND SHRUBS |
| Acer (Boxelder and Maple)* |
Alnus (Alder)* |
| Betula (Birch)* |
Carya (Hickory)* |
| Castanea (Chestnut)* |
Corylus (Hazelnut)* |
| Cupressaceae (Juniper and Cedar)* |
Fagus (Beech)* |
| Fraxinus (Ash)* |
Juglans (Butternut, Walnut)* |
| Larix (Larch, Tamarak)* |
Ligustrum (Privet: Shrub)* |
| Morus (Mulberry)* |
Pinaceae (Pine, Fir, Spruce)* |
| Platanus (Sycamore) |
Populus (Aspen, Poplar)* |
| Quercus (Oak)* |
Rosaceae (Plum, Pear, Apple, Hawthorn)* |
| Salix (Willow)* |
Sambucus (Elderberry) |
| Tilia (Basswood, Linden)* |
Tsuga (Hemlock)* |
| Ulmus (Elm)* |
|
| GRASSES |
| Cyperaceae (Sedge & Close Grass) |
Gramineae (True Grass Family)* |
| FERNS |
| Class Pteridophytes (Ferns & Fern-allies)* |
  |
| WEEDS |
| Chenopodiaceae & Amaranthaceae* |
Compositae- Ambrosia (Ragweed)* |
| Compositae- Artemisia (Sagebrush, Wormwood)* |
Compositae- Solidago (Goldenrod)* |
| Compositae (All other Genera)* |
Cruciferae (Mustards)* |
| Lythrum (Purpleloosestrife) |
Plantago (Plantains)* |
| Salsola pestifer (Russian Thistle)* |
Typha (Cattail) |
| Umbelliferae (Daucus, Wild Carrot)* |
Urtica (Nettle), Humulus (Hops), Cannabis (Hemp)* |
| ASCOMYCETES |
| Amphisphaeria |
Ascobolus |
| Beltrania |
Bispora |
| Caloplaca* |
Chaetomium* |
| Cucurbidothis |
Delitschia |
| Diatrypaceae* |
Erysiphe |
| Eurotium |
Leptosphaeria* |
| Leptosphaeria-look-alikes* |
Lewia |
| Massaria |
Massarina |
| Melanospora |
Oospora (Powdery Mildew)* |
| Paraphaeosphaeria |
Peronospora (Downy Mildew)* |
| Pleospora* |
Saccocolus |
| Sordaria* |
Splanchnonema |
| Sporomiella |
Venturia* |
| Xylariaceae |
Other Ascospores* |
| BASIDIOMYCETES |
| Agrocybe & Agaricus |
Boletus* |
| Coprinus* |
Ganoderma* |
| Lepiota |
Lycoperdon |
| Paneolus |
Psathyrella |
| Uredinales (Puccinia, Rusts)* |
Ustilaginales (Smuts)* |
| Other Basidiospores* |
  |
| DEUTEROMYCETES (FUNGI IMPERFECTI) |
| Alternaria* |
Arthrinium |
| Bipolaris |
Botrytis* |
| Cladosporium (Hormodendrum)* |
Curvularia* |
| Drechslera (Helminthosporium)* |
Epicoccum* |
| Fusariella |
Fusarium* |
| Fusicladium* |
Helicoma |
| Helicomina |
Helicomyces* |
| Nigrospora |
Periconia* |
| Pithomyces* |
Polythrincium* |
| Stemphylium* |
Tetraploa |
| Torula* |
Wallemia |
| Spores less than 5-8 Microns |
Aspergillus & Penicillium* |
| Cunninghamella |
Other Fungi Imperfecti* |
| MYXOMYCETES |
| Fuligo Septica |
Other Myxomycetes* |
| ZYGOMYCETES |
| Mucor Spinosus |
Other Zygomycetes |
| ALGAE |
| Algae* |
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