An atmospheric pollen survey conducted during the winter in Minneapolis, Minnesota, USA

References

• Aaseng , N. E. , Almendinger , J. C. , Dana , R. P. , Delaney , B. C. , Dunevitz , H. L. , Rusterholz , K. A. , Sather , N. P. and Wovcha , D. S. 1993 . “ Minnesota'snative vegetation: a key to natural communities ” . In Minnesota Department of Natural Resources (Section of Wildlife) , Biological Report No. 20 St. Paul, MN
   Google Scholar
• Bright , R. C. 1981 . Pollenin high‐mountain snow, western United States . Striae , 14 : 55 – 57 .
   Google Scholar
• Brown , R. C. , Frenz , D. A. , Wimpsett , T. L. , Barr , D. W. and Hokanson , J. M. 1993 . Operatinginstructions for the Rotorod Sampler , Minnetonka, MN : Sampling Technologies, Inc. .
   Google Scholar
• Burge , H. A. 1992 . Monitoringfor airborne allergens . Annals of Allergy , 69 : 9 – 18 .
   PubMedGoogle Scholar
• Comtois , P. 1988 . Concentrationpollinique et frequence des symptomes de pollinose: une methode pour determiner le seuil clinique . Revue Francaise d'Allergologie , 28 : 279 – 286 .
   Web of Science ®Google Scholar
• Ellis , R. V. and Rosendahl , C. O. 1932 . Fallhay fever in the Upper Mississippi Valley with special reference to Minnesota and the Dakotas . Journal‐Lancet (Minneapolis , 52 : 369 – 373 .
   Google Scholar
• Franzén , L. G. , Hjelmroos , M. , Kållberg , P. , Brorström‐Lundén , E. , Juntto , S. and Savolainen , A.‐L. 1994 . The“yellow snow”; episode of northern Fennoscandia, March 1991—A case study of longdistance transport of soil, pollen and stable organic compounds . Atmospheric Environment , 28 : 3587 – 3604 .
   Web of Science ®Google Scholar
• Frenguelli , G. , Spieksma , F. Th. M. , Bricchi , E. , Romano , B. , Mincigrucci , G. , Nikkeis , A. H. , Dankaart , W. and Ferranti , F. 1991 . Theinfluence of air temperatures on the starting dates of the pollen season ofAlnusandPopulus . Grana , 30 : 196 – 200 .
   Web of Science ®Google Scholar
• Frenz , D. A. and Elander , J. C. 1996 . Acalibration program for Rotorod samplers . Annals of Allergy Asthma and Immunology , 76 : 245 – 246 .
   PubMed Web of Science ®Google Scholar
• Frenz , D. A. , Scamehorn , R. T. , Hokanson , J. M. and Murray , L. W. 1996 . Abrief method for analyzing Rotorod samples for pollen content . Aerobiologia , 12 : 51 – 54 .
   Google Scholar
• Grimm , E. C. 1984 . Fireand other factors controlling the Big Woods vegetation of Minnesota in the mid‐nineteenth century . Ecological Monographs , 54 : 291 – 311 .
   Web of Science ®Google Scholar
• Janzon , L.‐Å. 1981 . Airborne pollen grains under winter conditions . Grana , 20 : 183 – 185 .
   Google Scholar
• Johansen , S. 1991 . Airbornepollen and spores on the Arctic island of Jan Mayen . Grana , 30 : 373 – 379 .
   Web of Science ®Google Scholar
• Laurent , J. , Decoux , L. , Ickovic , M. R. , Le Gall , C. , Gacouin , J. C. , Sauvaget , J. and Lafay , M. 1994 . Winterpollinosis in Paris . Allergy , 49 : 696 – 701 .
   PubMed Web of Science ®Google Scholar
• Lewis , W. L. , Vinay , P. and Zenger , V. E. 1983 . Airborne and allergenic pollen of North America , Baltimore : J. Hopkins University Press .
   Google Scholar
• Mandrioli , P. , Negrini , M. G. , Scarani , C. , Tampieri , F. and Trombetti , F. 1980 . Mesoscale transport ofCoryluspollen grains in winter atmosphere . Grana , 19 : 227 – 233 .
   Google Scholar
• Ogden , E. C. , Raynor , G. S. , Hayes , J. V. , Lewis , D. M. and Haines , J. H. 1974 . Manual for sampling airborne pollen , New York : Hafner Press .
   Google Scholar
• Ruiz de Clavijo , E. , Galán , C. , Infante , F. and Domínguez , E. 1988 . Variationsof airborne winter pollen in southern Spain . Allergologia et Immunopatholgia , 16 : 175 – 179 .
   PubMed Web of Science ®Google Scholar
• Schoenwetter , W. F. 1994 . “ Pollen reports; Minneapolis, Minnesota. ” . In Pollen and spore report 1993 , Edited by: Segale , J. D. 92 – 93 . Milwaukee : American Academy of Allergy and Immunology .
   Google Scholar
• Schoenwetter , W. F. 1995 . “ Pollen and spore reports; Minneapolis, Minnesota ” . In Pollen and spore report 1994 , Edited by: Segale , J. D. 116 – 119 . Milwaukee : American Academy of Allergy and Immunology .
   Google Scholar
• Strahler , A. N. and Strahler , A. H. 1987 . Modern physical geography , 3rd ed. , New York : John Wiley & Sons .
   Google Scholar
• Wynn‐Williams , D. D. 1991 . Aerobiologyand colonization in Antarctica—the BIOTAS Programme . Grana , 30 : 380 – 393 .
   Web of Science ®Google Scholar