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Pollen allergens with hyperlinks are available in GREER's catalog. Click on the allergen that you are interested in and connect with that item in GREER's catalog.
To learn more about a particular pollen allergen, click on the PDF icon [
] of that allergen. These botanical profiles are available for download and include a detailed profile, genus/species and family, location(s) found in the United States and photograph(s) of the pollen.
Marked Cells (
) signify taxon present in area.
Unmarked Cells signify taxon absent in area or unconfirmed.
1 Cross-reactive species grouped together in colored cells
2 Italicized species demonstrate only moderate cross-reactivity with other(s) in the group
3 This species is insect-pollinated
Most grasses pollinate in the summer.
| Plateau | RM Border | Chihuahua Desert | High Plains | ||||||||||
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| Cross-Reactive Trees | |||||||||||||
| Alder, other | x | x | x | x | |||||||||
| Birch, Water | x | x | |||||||||||
| 75: Aspen : |
x | x | x | x | |||||||||
| 255: Cottonwood, Fremont : |
x | ||||||||||||
| 88: Cottonwood, Western : |
x | ||||||||||||
| 134: Poplar, White : |
x | x | x | ||||||||||
| Willow, other 2 | x | x | x | x | x | x | x | x | |||||
| 82: Box Elder : |
x | x | x | x | x | ||||||||
| Maple, other | x | x | x | ||||||||||
| 92: Elm, American : |
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| 93: Elm, Siberian : |
x | x | x | x | x | x | x | ||||||
| 243: Juniper, Oneseed : |
x | x | x | x | x | x | x | ||||||
| 275: Juniper, Pinchot : |
x | ||||||||||||
| 280: Juniper, Rocky Mountain : |
x | x | x | x | |||||||||
| 233: Juniper, Utah : |
x | x | |||||||||||
| 478: Pine, Ponderosa : |
x | x | x | x | x | ||||||||
| Pine, other | x | x | x | x | x | x | |||||||
| Other Trees | |||||||||||||
| 172: Acacia 3 : |
x | x | x | x | x | ||||||||
| Ash, other | x | x | x | x | |||||||||
| 98: Hackberry : |
x | x | x | x | x | x | |||||||
| Locust 3 | x | x | x | x | x | x | x | x | |||||
| 111: Mesquite 3 : |
x | x | x | x | x | x | x | x | |||||
| 194: Mulberry, White : |
x | x | x | x | |||||||||
| 256: Oak, Gambel : |
x | x | x | x | x | x | x | ||||||
| Oak, other | x | x | x | x | x | x | x | x | x | ||||
| 127: Pecan : |
x | ||||||||||||
| 479: Russian Olive : |
x | x | x | x | x | x | |||||||
| 242: Tamarisk/Salt Cedar 3 : |
x | x | x | x | x | x | x | x | x | ||||
| Walnut (Little) | x | x | x | ||||||||||
Data obtained from USDA Plants Database ; USDA-FS Silvics of North America
For current pollen counts visit www.pollen.com or enter a zip code below.
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