UA logo Allergy and Asthma in the
Southwestern United States


Information for patients with allergy and related problems
in the Southwest

Trees and shrubs in Southern Arizona that produce allergenic pollen

Key to recognition of allergenic plants 

(for pictures, click the links)

Arecastrum romanzoffianum Platanus Wrightii
Baccharis sarothroides Populus Fremontii
Carya pecan Prosopis juliflora
Celtis pallida Quercus Emoryi
Cercidium Quercus Gambelii
Cupressus arizonica Quercus turbinella
Fraxinus velutina Quercus virginiana
Juglans major Rhus lancea
Juniperus monosperma Schinus molle
Ligustrum lucidum Tamarix aphylla
Morus alba, rubra Ulmus parvifolia
Olea europaea Washingtonia filifera
Phoenix canariensis Washingtonia robusta

Common names of trees and shrubs             Key to tree and shrub recognition

 Grasses and weeds                                      Return to menu   

Disclaimer:   This site is for educational purposes only.  Any information that you have found in this web site is not intended to replace medical care or advice given to you by your own physicians. You should consider consulting your local medical library and other web sites for additional information. 

Comments and suggestions welcome!   Email:
Content Owner:  Michael J. Schumacher, MB, FRACP, The University of Arizona