Kansas Aeromycology VI: Hyphal Fragments

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Abstract
Hyphal fragments were present in Kansas in the air throughout the year with highest numbers during growing seasons. Numbers in winters varied from 1 to 6, in summers from 5 to 51 per cubic foot. Fragments varied in size and length, mostly from 5 to 15[mu], occasionally to 100)[mu]. The majority were brown, septate, and thick-walled, but hyaline fragments were also present. Viability ranged from 29 to 82%. Preliminary isolations produced colonies of Cladosporium, Alternaria, and Penicillium. The abundance of viable fungal fragments suggests that this may be an important means of asexual reproduction.