Common Name: Rusts
Origin: Plant parasite and they grow on cultivated and wild grasses, flowers and trees. They also travel long distances from the South Central States up the Mississippi corridor to the Prairie Provinces of Canada. The Province of Manitoba sees particularly high numbers of these spores in the late summer and fall. It is of great importance to agriculture. It is also a problem indoors in humid basements.
Health effects: When in high numbers they may be of importance in causing disease. Can cause hay fever and asthma.
Last Updated: 20 December 2000
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