Greer: Devoted to Allergy Immunotherapy

Allergenic Weeds of North Carolina


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 [PDF] 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 weeds pollinate in the fall.

Mountains Piedmont Capital Sandhills Coastal Plain
  Asheville Boone   Hickory Charlotte Greensboro   Raleigh   Pinehurst Fayetteville   Greenville Wilmington
Cross-Reactive Weeds 1                            
                             
35: Dock, Yellow : Click for botanical profile x x   x x x   x   x x   x x
64: Sorrel, Sheep/Red : Click for botanical profile x x   x x x   x   x x   x x
                             
52: Pigweed, Rough/Redroot : Click for botanical profile x x   x x x   x   x x   x x
53: Pigweed, Spiny : Click for botanical profile x x   x x x   x   x x   x x
                             
55: Ragweed, Giant : Click for botanical profile x x   x x x   x   x        
56: Ragweed, Short : Click for botanical profile x x   x x x   x   x x   x x
                             
Other Weeds                            
                             
225: Baccharis : Click for botanical profile         x x   x   x x   x x
33: Cocklebur : Click for botanical profile x x   x x x   x   x x   x x
184: Dog Fennel : Click for botanical profile       x x x   x   x x   x x
43: Lamb's Quarter : Click for botanical profile x x   x x x   x   x x   x x
45: Marsh Elder, True/Rough : Click for botanical profile       x x x   x   x x   x x
47: Mugwort, Common : Click for botanical profile x x   x x x   x   x x   x x
54: Plantain, English : Click for botanical profile x x   x x x   x   x x   x x

Data obtained from USDA Plants Database.


For current pollen counts visit www.pollen.com or enter a zip code below.

 

Privacy Policy | Terms & Conditions | Site Map

All material and content herein Copyright © 2014 GREER. No material from this web site may be used, reproduced or copied in whole or in part without prior written permission from GREER. All Rights Reserved Worldwide.