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Sedge

Family, Genus: Cyperaceae, Carex

Size  length: 28 - 30 um; width: 24 - 26 um
Shape  triangular
Exine  less than 1 um thick
Intine  less than 20 um thick, thicker at narrow end than at wide
Pores 1 - 4, appear as thinnings of wall, one at broadened end and sometimes 3 obscured around periphery
Sculpting  granular
Bloom Period  spring and early summer
Allergenicity  not considered to be an important allergy provoker

Thumbnails:
     
Sedge                  Sedge                        Sedge

Dr. M. Davis images:

References:

Bassett, John, Clifford Crompton and John Parmelee.  An Atlas of Airborne Pollen Grains and Common Fungus Spores of Canada.  Canada Department of Agriculture, 1978. 

Jelks, Mary, M.D.  Allergy Plants that Cause Sneezing and Wheezing.  World Wide Printing, Tampa, 1986. 

Kapp, Ronald O.  Pollen and Spores, Second Edition.  The American Association of Stratigraphic Palynologists Foundation, 2000. 

Lewis, Walter H., Prathibha Vinay and Vincent E. Zenger.  Airborne and Allergenic Pollen of North America.  The Johns Hopkins University Press, Baltimore and London, 1983. 


page created by: Brian Hoffman