ALLERGY AND ASTHMA IN THE SOUTHWESTERN UNITED STATES 

Triangle Leaf Bursage, Rabbit Bush  - Ambrosia (Franseria) deltoidea
 rabbit bush image  
AHSC logo Flowering Period in Southern Arizona: December to April.  A type of  ragweed.  Prolific pollen producer. Also known as Rabbit Bush.
                                                                                   Photo by Michael J Schumacher 1999           
Another Picture            Picture of flowering plant                  

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