Abstract
The new genus, WHETZELIA, lacks the peripheral layer of sterile cells of Urocystis and, unlike Ustilago, has spores that adhere in pairs or small groups. Only one species is recognized, W. waldsteiniae (Urocystis w. Pk.). N. spp. include Ustilago concelata on Ischaemum latifolium and U. garcesi on Paspalum saccharoides from Colombia, Urocystis ungeri on Polygonatum multifiorum from Hungary and Entyloma tagetesium on Tagetes from Guatemala.

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