ALLERGY AND ASTHMA IN THE SOUTHWESTERN UNITED STATES 

Ash tree flowering in the spring
- close-up photo of Fraxinus velutina 'Rio Grande' March 3

Arizona Ash flowers

Content Owner:  Michael J. Schumacher, MB, FRACP  
                            University of Arizona  
AHSC logo
Back to Table of tree pictures             Back to Pollen page            Arizona Ash leaves