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Published online by Cambridge University Press: 28 March 2007
A characteristic, sterile lichen genus with homoiomerous thallus containing terpenoids is described, with one subtropical species, Kroswia crystalliferum sp. nov., occurring scattered in Africa from Kenya south to the Cape, southern India (with Sri Lanka) and Taiwan. Another temperate species, Kroswia gemmascens (Nyl.) comb, nov., is restricted to Eastern Asia. in spite of its gelatinous, homoiomerous thallus, the genus appears to belong to the Pannariaceae.