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Résumé :
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A new species of Everhartia, E. phoenicis, is described and illustrated. The fungus was collected on living leaves of Phoenix hanceana in Twisk, Tai Mo Shan. Hong Kong. Everhartia phoenicis is associated with yellow spots on living leaves and rachides of the host, and is the only species in the genus known to be pathogenic. It differs from other species of Everhartia in producing symmetric, hyaline, aseptate, horseshoe-shaped conidia. Everhartia phoenicis is compared with other species in the genus. Everhartia is very similar to Delortia and the differences between these two genera are discussed. Two species of Everhartia, E. aquatica and E. tumidoapicis arc transferred from Delortia.
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