Greer: Devoted to Allergy Immunotherapy

Allergenic Grasses of San Francisco



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 grasses pollinate in the summer.

North Bay East Bay South and West Bay
  Marin Sonoma Napa   Solano Contra Costa Alameda   Santa Clara Santa Cruz San Mateo San Francisco
Cross-Reactive Grasses 1                        
                         
Blue, Canada x x             x   x x
16: Blue, Kentucky/June : Click for botanical profile x x x   x   x   x x x x
11: Couch/Quack x x x   x x x   x x x x
264: Giant Wild Rye 2 x         x x   x x x x
14: Meadow Fescue : Click for botanical profile x x     x       x x    
20: Orchard : Click for botanical profile x x x   x x x   x x x x
22: Redtop x x x       x     x x x
25: Rye, Italian x x x   x x x   x x x x
27: Sweet Vernal : Click for botanical profile x x x       x       x x
28: Timothy : Click for botanical profile x x x             x   x
29: Velvet : Click for botanical profile x x x   x x x   x x x x
                         
2: Bermuda : Click for botanical profile x x x   x x x   x     x
Salt 2 x x x   x x x   x x x x
                         
Other Grasses                        
                         
15: Johnson : Click for botanical profile 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.

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