A-24 (Agrostis gigantea pollen, Festuca pratensis pollen, Poa pratensis pollen, Dactylis glomerata pollen, Phleum pratense pollen, Anthoxanthum odoratum pollen, Lolium Perenne Pollen, Medicago sativa pollen, Trifolium pratense pollen, Solidago canadensis pollen, Ambrosia acanthicarpa pollen, Ambrosia psilostachya pollen, Ambrosia trifida pollen, Ambrosia Artemisiifolia pollen, Xanthium strumarium pollen, Chenopodium album pollen, Amaranthus retroflexus pollen, and Cynodon dactylon pollen)